Post on 07-Jan-2023
Intercountry BGP As Topology
RIPE65 Amsterdam, Netherlands 27th September 2012
Martin J. Levy, Director IPv6 Strategy Hurricane Electric
Agenda
Methodology
Visualizing IPv4 & IPv6 BGP adjacency
Summary
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 2
* A reference to Dorothy’s ruby slippers from The Wizard of Oz
VISUALIZING IPV4 & IPv6 GLOBALLY AND WITHIN EUROPE
27 Sept 2012 3 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology
Checking global IPv6 routing – graphically!
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 4
http://bgp.he.net/
Caveat: - This tool is only as good as its source data.
- IP information is uploaded from RIPE RIS & Oregon routeviews. - Some views are missing; not all routes and paths are visible.
- NOT based on the Hurricane Electric routing tables.
Showing IPv4/IPv6 route propagation in a graphical form
http://bgp.he.net/ – Route propagation graphs
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 5
Peers that see routes
ASN originating routes
Routes see downstream
of peers
Select tab for v4 or v6 graphs
Can regional IPv6 routing be measured?
Question: Is there enough IPv6 routing between ISPs? Can IPv6 BGP routing tables provide insight?
Methodology: Lots of BGP routing tables collected globally Data from http://bgp.he.net/ processed further Graphical view on a country-to-country basis
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 6
Measuring BGP routing by collecting tables
Build on exceptional work by others RIPE/RIS & Oregon routeviews collect BGP tables A hearty “thank you” to RIPE & University of Oregon
Use Hurricane Electric’s http://bgp.he.net/ site and it’s database Daily processing of those BGP tables Results are user-friendly visualization of routing
Take the data one step further …
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 7
Measuring BGP routing by collecting tables
Take the data one step further …
Only look at BGP peer data (v4 & v6) It’s only interesting to look at BGP adjacency Map ASN to country-codes Search for adjacencies where CCs are different
Process resulting data to search for in-region connections Clean up the data Display the data
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 8
Example processing – CC & ASN
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 9
http
://bg
p.he
.net
/cou
ntry
/MY
Process each A
SN
within each country
Note the ASNs within the country …
http://bgp.he.net/AS24514#_peers
Rem
ove all peers within C
C Note the peer connections that are
outside the country …
Full country listing at http://bgp.he.net/country/GB (not UK) Assuming that the ASN is listed as “GB” within RIPE database
Visualizing IPv6 routing within the UK
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 10
ASNs sorted by Adjacency count
http://bgp.he.net/country/GB
Routing propagation graphs for three providers in the UK These change all the time; it’s best to look online for latest BGP propagation
Visualizing IPv6 routing within the UK
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 11
Caveat: Not all links will show within these graphs
Visualizing IPv6 routing within the UK
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 12
Caveat: Not all links will show within these graphs
IPv4 &
IPv6
AS12290Exonetric Consulting Ltd
AS12295Professional Telecommunications Ltd.
AS12390KCOM Group Public Limited Company
AS12513Eclipse Internet
AS12536EDGE-IX ASN
AS15641Arqiva Communications Ltd
AS16293Intercea UK AS number
AS21218Smartways
AS31021Dialogue Communications Ltd
AS33854Host-It Internet Solutions Datacentre
AS39152intY Ltd
AS39609Multicom Products Ltd
AS43534CreditCall Ltd
AS44369EMBC PROCUREMENT LIMITED
AS44611Talk Internet
AS8613ICM NetServ Ltd
AS12433Orbtalk Limited
AS12496Infinity Developments Limited
AS31708Coreix Limited
AS44684Mythic Beasts Ltd
AS12519FastNet International Ltd.
AS25376Netnorth Limited
AS25582LINIX Ltd
AS29129Vispa Internet Limited
AS30847Lancaster University Network Services Limited
AS34119Wildcard UK Ltd
AS34660Idaq Ltd
AS34931Awareness Software Limited
AS43545Teledata UK Limited
AS48610Unitel
AS58273
AS8689Power Internet Ltd.
AS12576Orange Personal Communications Services
AS35736ORANGE HOME UK PLC
AS12583Stanley UK Services Ltd
AS126211A Networks Limited
AS12628Jaco Engelbrecht
AS12658Dexterity Networks Limited
AS12678Badoo Limited
AS12701Barclays Bank plc
AS12703Pulsant (Scotland) Ltd
AS15379Flexiant Ltd
AS16197Tollon
AS20712Andrews and Arnold Ltd
AS29550Simply Transit Ltd
AS34243Web Age Ltd London AS
AS35259APM Internet UK Network
AS35732UK Webhosting Ltd -
AS41489Watchfront Limited
AS41866Interfax Inc
AS44574A4N
AS49026Volume Limited
AS49397Cambridge Imaging Systems Limited
AME Investments Limited
AS12707Caberfeidh (UK) Ltd
AS12708TalkTalk Communications Limited
AS12775The JPCINET
AS12789Associated Newspapers Limited
AS12855Houxou Ltd
AS12870Arrowhead Systems Ltd
AS12884DRW Investments (UK) Limited
AS12885Arbinet-thexchange Limited
AS197669Synety Ltd
AS42040Crosspoint Colocation And Hosting Limited
AS13005C2 Internet ASN
AS13009InTechnology Plc
AS15845Computers In The City
AS13037Zen Internet Ltd
AS20941Zen Internet Ltd
AS29474Ghoti Limited
AS41029Ebuyer (UK) Limited
AS41830Fitzpatrick Ltd
AS48888Miranda Technologies Ltd.
AS49162Entee Global Services Ltd
AS50053Peninsula Business Services Limited AS13037
AS51766Merseyside Fire and Rescue Service
AS52024KWIK-FIT (GB) Ltd
AS13076Virgin Media Limited
AS13126Mach6
AS13114Nationwide Building Society
AS13122MANX-TELECOM
AS44481Professional Data Management Services Limited
AS13173Foreshore Limited
AS13216Itex Guernsey Ltd
AS25040I.T. Consultancy Limited
AS8680Cable & Wireless Channel Island Network
AS13208Newtel Ltd
AS13213UK-2 Ltd
AS16339Virtual Internet (UK) Ltd
AS39451Melbourne Server Hosting Ltd
AS39458Real Hosts Limited
AS51561ICUK Computing Services Limited
AS13285TalkTalk Communications Limited
AS24916OrbitalNet Ltd
AS31487VarTec Telecom UK Ltd
AS43234TalkTalk Communications Limited
AS8586TalkTalk Communications Limited
AS9105Tiscali UK
AS15412Flag Telecom Global Internet AS
AS15766Domicilium (IOM) Limited
AS15773ABS Telecom Limited
AS15830TELECITYGROUP INTERNATIONAL LIMITED
AS15988Akhter Computers Ltd.
AS16353Merula Limited
AS20500Griffin Information Systems Limited
AS20799Datanet.co.uk Ltd
AS20860Iomart
AS20923Skymarket UK ISP
AS21099Game Stores Group Ltd
AS21371Equinix UK
AS24594Frontier Systems Ltd.
AS24851Netcetera Peers
AS25061Associated Networks Limited
AS25178Keycom PLC
AS25180Exponential-e Ltd
AS25310Cable and Wireless Access Ltd
AS28846Carlton Television Birmingham UK
AS29527Othello Technology Systems Limited
AS29664Reliance Globalcom Ltd. (formerly Vanco Ltd)
AS29668Qube Managed Services Limited
AS30827Xtraordinary Networks Ltd.
AS30914AS for ioko365 Ltd
AS31084Magrathea Telecommunications Limited
AS31715NetrinoUK Ltd
AS34442AS-XIFOS
AS34746Eaton Kaye Ltd
AS35228Avatar Broadband Limited
AS35799Known Future Ltd
AS39356Avanti Broadband Ltd.
AS42579Comtec Enterprises Ltd
AS42689Cablecom Networking Limited
AS42973Metronet (UK) Limited
AS47999Transversal Corporation Ltd's AS Number
AS49572Fujitsu Services Ltd.
AS50173Vtesse Networks Limited
AS51159Think Systems UK Ltd
AS51205Omnifone Limited
AS51918Cerberus Networks Ltd
AS5503RM Education PLC
AS5552Redstone Managed Solutions Ltd
AS5631VITAL-GROUP UK Network
AS6656Star Technology Services Limited
AS6871PlusNet PLC
AS6894KDDI Europe Ltd.
AS786The JNT Association
AS8190VIATEL
AS8553Avensys Networks Ltd
AS8683Nominet UK
AS8851Edge Telecom Ltd
AS8897KCOM Group PLC
AS8912Group NBT plc (formerly NetBenefit)
AS9191NEWNET plc Peers
AS15421Internap European
AS15429DIGEX UK
AS15431Daisy Communications Ltd
AS15444Netservices Plc
AS25585Kencomp Internet LTD
AS31632OAG WorldWide Limited
AS34689IP Infrastructures Ltd
AS15463Network-i Limited
AS15510Compuweb Communications Services Limited
AS31048Digital Evolutions Ltd
AS51905Compuweb Communications Services Limited
AS15533SunGard Availability Services (UK) Ltd
AS15768WorldPay Limited
AS16164Sohonet Limited
AS196809FremantleMedia Ltd
AS29214HOUSES OF PARLIAMENT
AS29295Northgate Information Solutions UK Limited
AS33860Garban Intercapital
AS44480Brevan Howard Asset Management LLP
AS57851Genesis Housing Association Limited
AS15542ZeelandNet BV
AS15568European Bank for Reconstruction & Development
AS15570Internap European
AS15989NYSE TECHNOLOGIES LIMITED
AS20577Tradeweb Europe Ltd
AS20990Commerzbank
AS21110Ladbrokes Limited
AS24887Lone Pine Capital (UK) Limited AS London
AS25218The Economist resiliancy
AS28687KBC Investments Limited
AS31637WPP Group Technology Services
AS34587Hillside (New Media) Limited
AS40992Marex Financial Ltd
AS44568OpSource
AS44931TNTExpressICS
AS48463Tradition Financial Services Ltd.
AS50023Vodat International Ltd
AS50393SUMITOMO MITSUI BANKING CORPORATION EUROPE LTD
AS15601Baring asset Management 155 Bishopsgate London UK
AS41570Services Sound and Vision Corporation
AS15653NetSumo AS Number
AS34816AEG Europe
AS15676Voxeo UK block from Global Crossing
AS15677MBA Systems
AS15689Advanced IT Services Nottingham LTD
AS15692Razorblue Ltd
AS15724Cofunds Ltd
AS15770Derwentside District Council
AS15786Callserve Communications Limited
AS197407China Unicom (Europe) Operations Ltd
AS198567ED & F MAN CAPITAL MARKETS LIMITED
AS21206Polar Computer Communications Limited
AS24742APAK Group Limited
AS31404LYCATEL DISTRIBUTION UK LIMITED
AS31515Inmarsat
AS33859The Portal Partnership Ltd.
AS35414European Medicines Agency
AS39757The UK Grid Network Ltd
AS42077Micro-Business Maintenance Ltd
AS47163Ingenico (UK) Limited
AS51149SYBASE EUROPE B.V.
AS52129Proofpoint Inc.
AS57356Highland Network Ltd
AS58202Knight Communications LTD
AS8942Focus Information Limited
AS15839Athene Internet/Cobweb Solutions Network
AS15865Elliott Advisors UK Network
AS15914British Airways plc
AS15957Web Technology Group
AS15977Pershing Ltd
AS15992Visa International
AS15998Specific Media UK
AS16036Thomson Financial
AS16050Reuters Docklands resiliancy
AS16082Spitfire Network Services
AS51649Vision Capital Group Limited
AS16085Infobolsa Spanish Network
AS5555Sohonet Limited
AS16166WorldPay Limited
AS16260GTT - EMEA Ltd.
AS24894Tag Europe Ltd
AS16282Allied Irish Banks Plc
AS16303IPSwitch Networks Ltd
AS16315Absolute Clarity Limited
AS16351Juno Records Ltd.
AS198353Mimeo Limited
AS31595AwellConnected.Com
AS34654Ionic Information Limited
AS163627 Global Systems Limited
AS196628Eurolink Telecom Ltd
AS196656Bayberry Rue Ltd
AS196671Little Owl Computer Services Limited
AS196720deCarta Limited
AS196722SCHWEIZERISCHE NATIONALBANK
AS196745Datacenta Hosting Ltd
AS196778Transport for London
AS196875Modrus Ltd
AS196902Dudley Metropolitan Borough Council
AS196904N.E. Services Ltd
AS196933Atlas Interactive Group Ltd.
AS196942Digital Distribution Networks Ltd
AS196962Cupid plc
AS196981London Borough of Brent Council
AS196990Shawbrook Bank Limited
AS197039Nomura International Plc
AS197085Sykes Global Services Ltd
AS197104Gentoo Group LIMITED
AS197107Blue Chip Customer Engineering Ltd
AS197182The Briars Group ltd
AS197239Ashridge (Bonar Law Memorial) Trust
AS197320National Pharmacy Association Ltd
AS197338Societe Generale Securities Services UK Limited
AS197342AePONA Ltd.
AS197370Nottinghamshire County Council
AS197409Co-operative Group (CWS) Limited
AS197419The International Institute For Strategic Studies
AS197463Crossflight Ltd
AS197529Emizon Networks Limited
AS197568Cardif Pinnacle Insurance Management Services PLC
AS197591Intercept IT Limited
AS197594Redstor Limited
AS197666Beaver-Visitec International
AS197852Renaissance Capital Services Ltd
AS197913CCPG Solutions Ltd
AS197972AGENCYPORT SOFTWARE EUROPE LTD
AS198032Cambridge Assessment
AS198037First Rate FX Limited
AS198046Scott Logic Ltd
AS198047UK Webhosting Ltd
AS198071ZBI Europe LLC
AS198079Delcam PLC
AS198142Warrington Borough Council
AS198154Connections North West Ltd
AS198189Crown Office and Procurator Fiscal Service
AS198222West Herts College
AS198236TSOne Ltd
AS50419Appstal Limited
AS198276Kroll Ontrack Legal Technologies
AS198299Kooljett Limited
AS198300Forth Electrical Services Ltd
AS198312Spectra Group (uk) Ltd
AS198313SystemHOST Limited
AS198328Trayport Limited
AS198362HELIACAL NETWORKS LTD
AS1983821st Easy Limited
AS198386ONI plc
AS198426FIBRESTREAM LIMITED
AS198440M12 Solutions Ltd
AS198536Safe Financials LTD
AS198554DXI Limited
AS198719Intelliworkspace Ltd
AS198722TXRX Communications Ltd
AS198753Excell Group PLC
AS198756Easy Connect Limited
AS198801Your Housing Group Ltd
AS198850Hogarth Worldwide Limited
AS198863Cambridge University Press (Holdings) Limited
AS198883YAMMER EUROPE LIMITED
AS199032Call27 Limited
AS199066Data8 Limited
AS42383Griffin Information Systems Limited
AS45019SquareCows Limited
AS20505Legal & General Investment Management Holdings Ltd
AS20547Six Degrees Managed Data Limited
AS20782ZebraHosts LTD
AS25588Ultraspeed - Main UK Network
AS28673Internet Technology Products
AS30909FastVision Limited
AS39361Intuitive IT Ltd
AS41203Geopost UK
AS49962zero.net.uk Ltd
AS57168BBS Commerce Ltd
AS20610Northcliffe Media Limited
AS20629BIS Ltd
AS21459Business Systems Group LTD
AS28959AS for Vitol Group
AS29026Charles Taylor Consulting PLC
AS49503Cloud Data Ltd
AS20652Unitron Systems & Development LTD
AS20679hSo: broadband internet
AS20695Capital One Bank (Europe) plc
AS20738Webfusion Internet Solutions
AS47484FCP Internet LTD
AS5400British Telecommunications plc
AS29131RapidSwitch
AS29164Titan Internet Ltd
AS30967Software Cellular Network Ltd
AS42382Lightwood Consultancy Ltd
AS44947Nativ-Systems AS
AS44948LAST.FM LTD
AS49182BT ENGAGE IT Limited
AS49781UFI Ltd.
AS20927Addison Lee
AS20952VENUS BUSINESS COMMUNICATIONS LIMITED
AS20955ProQuest Information and Learning Limited
AS20976Domainmaster Ltd.
AS34066TelAppliant Ltd.
AS43198Outsourcery Hosting LTD
AS20998SDL International PLC
AS21011"TOP NET" PJSC
AS21054RBSG Internet operations
AS21055Axamba Limited T/As Web Tapestry
AS21076BTA Ltd
AS21077SCC Internet Services (Formally ISP4Business)
AS3344Burstfire Networks Limited
AS21130Iomart
AS21160Markel International Services Ltd
AS21177Definite Software Ltd
AS21188Unilever PLC
AS21208YOUNG AND RUBICAM SL
AS21233C2 Direct Transit AS
AS21260The Positive Internet Company Ltd
AS21296PricewaterhouseCoopers LLP
AS21321Areti Internet Ltd.
AS57994NetEarth UK Ltd
AS58252RINGLOUD LIMITED
AS21345MessageLabs
AS21356GTT - EMEA Ltd.
AS21369SchlumbergerSema
AS24910HIGHBRIDGE LONDON
AS24990Equinix France
AS29006POBOX Hosting Limited
AS29033Eckoh UK Limited
AS31727Node4 Ltd
AS3213Bogons Ltd
AS33941Gconnect
AS41811Convergence Group Limited
AS43599North West Electronics
AS44824Callagenix Limited
AS44980Cairney Network
AS48077Zix Corporation
AS49669Cognito Limited
AS51489T-Systems Limited
AS8676PRT Systems Ltd
AS9153Burstfire Networks Limited
AS21396NetConnex Broadband Ltd. - London
AS25464Routo Telecom European
AS29676Gradwell dot com Limited
AS42909Internet Computer Bureau Ltd
AS44314ITsynergy Ltd
AS8916Portfast Ltd
AS21422Connect internet Solutions Limited
AS21423Komax Holding
AS21433Accenture UK Limited
AS21439Morgan Stanley
AS21448Netserve Consultants LTD
AS43328Nation Wilcox Associates
AS21464EDF Trading
AS21470South West Communications Group Ltd
AS21472ServerHouse Ltd
AS24591i2 Networks Ltd
AS24661MDS Technologies Ltd - Corsham
AS24720Avensys Networks Ltd
AS24775QinetiQ Ltd
AS24778DataPipe Europe
AS24865Keith Mitchell
AS24867Adapt Services Ltd
AS24976Techgate PLC
AS2589Wanstor Ltd
AS31156The Energy Savings Trust
AS34401EMI Group Limited AS34716
ANIX Limited Hosting
AS39520MCP ASN
AS39610LCH Clearnet
AS41246Electronic Media Services Ltd.
AS42332The Software Connection Limited
AS42479Kroll Ltd
AS43280Gordian Knot Limited
AS44521Jagex Limited
AS48182WRN Ltd
AS49454Internal Systems Limited
AS50529Cubic Transportation Systems Ltd
AS50697ACSN Limited
AS9090OiT
AS24958The Bunker Secure Hosting Limited
AS39295SWITCH IP LTD
AS44971GOETEC Limited
AS47933Commidea LTD
AS48513Sitekit Solutions
AS24931DediPower Managed Hosting Limited
AS24949Btcml AXA
AS47813Semantico Ltd
AS49882Moneybookers Ltd.
AS57148Bytehouse Ltd.
AS8457ABCnet
AS24989Equinix Germany (Previously IX Europe Germany AS)
AS41936Colt Group Ltd.
AS25006Abbey National Trading Services PLC
AS25026Vio Worldwide Ltd
AS25048DSNet Hosting Limited
AS25049STASCo
AS25050BACS Ltd AS
AS5388Energis UK
AS39779Mesh Digital Ltd
AS41113Pseudo Networks Limited
AS51901COMS LIMITED
AS25098Low Cost Host Ltd
AS25492Mr Site Ltd
AS34675Prima Internet Holdings Limited
AS25127BTopenworld Broadband & Narrowband networks located in the UK
AS25160Vorboss Limited
AS25369Bandwith Technologies Ltd
AS25562Sony Computer Entertainment Europe (SCEE)
AS25577Connexions4London Ltd
AS2818BBC Internet Services
AS29009UK Wireless Broadband Network
AS29017Gyron Internet Ltd
AS29297Linkconnect services Ltd
AS29328T-Mobile (UK) Limited
AS29452Secura Hosting Ltd
AS29611Elite Limited
AS30740Exa Networks Limited
AS31474MTV Networks Europe
AS31523Laterooms AS
AS31655Gamma Telecom AS
AS33920(aq) Networks Limited
AS33968Internet Engineering Limited Main AS
AS34270Internet Connections Ltd
AS35028Multiplay AS Number
AS35399Online50 Limited
AS35425Bytemark Computer Consulting Ltd
AS35456Fubra Limited
AS35575Vaioni Group AS
AS35662Redstation Limited
AS41230Ask4 Limited
AS41678The Internet Business Ltd
AS42353Simwood eSMS Limited
AS42369LBI Ltd
AS43013York Data Services Limited
AS43323Playout 247 Ltd
AS44009Sleek Networks Ltd
AS45014Nuco Technologies Ltd
AS47143Todayhost Limited
AS47474Virtual1
AS47480Blue Tiger Solutions Limited
AS48961Warwicknet Ltd.
AS48973Netplan Internet Solutions Ltd
AS49375Trunk Networks Limited
AS49629UTV Internet
AS50056Advantage Interactive Limited
AS50292StratoGen Internet
AS50384W-IX LTD
AS50763MCKAYCOM LTD
AS5089Virgin Media Limited
AS50957Memset Ltd
AS51377BurstNET Limited
AS5459London Internet Exchange Ltd.
AS5500Colloquium Limited
AS5607British Sky Broadcasting Limited
AS56478Hyperoptic Ltd
AS57315PureBlue Global Networks Ltd
AS6717Internet Central Limited
AS8282FidoNet Registration Services Ltd
AS8530Excell Group PLC
AS8577Rackage Ltd
AS8789Novosco Limited
AS8902Internet For Business Limited
AS8950Logicalis UK Limited
AS25320Skypower AS Number
AS30769The Berkeley Group plc
AS30949Exponential-E Ltd.
AS31665Invesco UK Ltd.
AS34253WPP Group plc
AS34632Ariel Communications Ltd
AS34728Cinven Services
AS34830FCP Internet LTD
AS39179Modrus Ltd
AS41909Hometrack Data Systems Ltd
AS41951GlobecastUK Ltd
AS42584London Capital Group Limited
AS42724Terrapinn Holdings Ltd
AS44402GFI Holdings Limted
AS48177Finsoft Ltd.
AS48449CANTILLON CAPITAL MANAGEMENT LLP
AS48493TFM Networks Ltd
AS48570Auriga Kore Limited
AS57228Imtech ICT Limited
AS25327FTSE-International Ltd.
AS41659Robert Bentley t/a Synergyworks Internet
AS41847Daniel O'Mahony
AS58117Swordfish Hosting Limited
AS57672Daniel James Austin
AS25460The Networking People (NorthWest) Limited
AS25501TUXTEL Ltd
AS25546Brookland Computer Services Limited
AS25547Intuit Maidenhead
AS28757Scotnet
AS31270Fusion Media Networks Ltd
AS31273Bisnet Ltd Main AS Number
AS31712Gigastream plc
AS34811Aspire Internet Ltd
AS352624L Communications Ltd
AS39414Bytefetch Ltd
AS39674Solutios Limited
AS41103ClearIP Ltd
AS41400USIC Internet Services Ltd
AS41593Unit Vector Ltd.
AS41595Content and Code Ltd
AS41653Aqua Ray SAS
AS41759Fry IT Ltd.
AS41813Axill Europe Ltd.
AS42228BrightStar Ltd.
AS42262Dynmark International Limited
AS43057Dimasoft Ltd
AS43551AMT DataTechnologies Limited
AS43950Spilsby Internet Solutions
AS44305The Cloud Computing Centre Ltd.
AS44801Direct Technical Ltd
AS44934Arachsys Internet Services Ltd
AS44965Contactual Inc.
AS47351REDtechnology.com
AS47571Digital Craftsmen Ltd.
AS47625Paul David Hughes trading as Hosting Systems
AS48071Northcote Internet Limited
AS48231Thinkgrid Ltd.
AS49819Shopzilla Europe Ltd
AS50882Maxnett Ltd.
AS50888Minotaur IT Limited
AS51198DREAM SERVERS LTD
AS51572Cerulean Solutions Limited
AS56367Sci-Teq Limited
AS56990Syscomm Ltd
AS57307Blaze Networks Ltd
AS57391Charless Street Communications Ltd.
AS57907CloudConnX Limited
AS581022Dmedia Ltd.
AS25587MoneyAM Ltd
AS31459BBC
AS2830Verizon Nederland B.V.
AS2856BTnet UK Regional network
AS28690ING DIRECT UK N.V.
AS31003Iron Mountain UK Ltd
AS31422AS for Aon UK
AS31565Symantec Limited
AS33820Reed Elsevier
AS33879Forth Ports Public Limited Company
AS33981Total System Services Processing Europe Limited
AS34134FreeClix LIMITED
AS34790Waveworks Internet Network
AS35049Qualcomm Inc AS
AS35180Hosted IP Communications Ltd
AS35405Macquarie Bank internet network European AS number
AS35452CIMS Lon UK
AS35707AS for Scottish Power PLC
AS39060Sainsbury's Supermarkets Ltd
AS39118Earthgazer ASN
AS39313AS number for WebTrends
AS39326Goscomb Technologies Limited
AS39461EDF Energy Nuclear Generation Group Ltd
AS39550KPMG UK LLP
AS41021Ebuyer UK Limited
AS41373N3 Service provider
AS41532Barclays Bank plc
AS41613East Sussex County Council
AS41751Ocado Ltd
AS41919Genesys Laboratories UK
AS41988AGE UK Enterprises
AS42592Thomas Cook UK Limited
AS43014Kirkland & Ellis International
AS43251Websense Inc Reading
AS43298Sequence Collective Ltd
AS43392Bluebay Asset Management Plc
AS43949Marsh & McLennan Companies
AS44114Air New Zealand Limited
AS44371PayPoint Network Ltd
AS44697C3 Ltd
AS47534VocaLink Ltd
AS47978McKesson Information Solutions UK Ltd
AS48553Market Axess Europe Ltd
AS48706Electronic Data Processing PLC
AS48717Rural Payments Agency
AS48902Endsleigh Insurance Services Ltd
AS48952ZBI Europe LLC
AS49247The East Sussex Fire Services
AS49318ARCTelligent Ltd
AS49413Imerja Ltd.
AS49485High Availability Hosting Limited
AS49707Valuelink Information Services Ltd
AS49780Allen & Company Advisors Ltd
AS49807LANDMARK PLC
AS50039iGlobalMedia Marketing (UK) Limited
AS50063Sainsbury's Supermarkets Ltd
AS50224eaga plc
AS50229Stratos Global Limited
AS50445Wirefast Limited
AS51318STANDARD CHARTERED BANK
AS5413Daisy Communications Ltd
AS56644Synergy Financial Servics Ltd
AS57002William Hill Organization Ltd
AS58218Monster Worldwide Limited
AS8435Lloyds Banking Group PLC
AS8698Nationwide Building Society
AS8928Interoute Communications Limited
AS28688WPP Group Technology Services
AS28697Nitrex primary AS number
AS28705Cybase Limited
AS28780The PCMS Group Plc
AS28782Vistorm Ltd Secondary AS
AS28792Public Internet Ltd
AS28861Carr Futures Inc London
AS28939AS for ARM Ltd
AS28986Loud-n-Clear Ltd.
AS30746NUQE Ltd
AS39208NexByte Ltd
AS41977AS for Fluent LTD
AS47691Internet Technology Ltd
AS29016Pearson Shared Services Ltd
AS34282UKNOC AS
AS39332ServerForce Ltd - Main AS
AS39545Fluidata Ltd
AS29045IT Action Limited
AS29212Synetrix Ltd.
AS44442The Borough of Telford and Wrekin Council
AS56670West Sussex County Council
AS56929Wandsworth Borough Council
AS29219SEMTEC Limited
AS29444Reflex Internet
AS29446ChunkyChips.net Limited
AS29457Options Technology Ltd.
AS34623Othello Technology Systems Limited
AS56673ZEDELEVEN Ltd
AS8622Namesco Limited
AS29575AS for London Stock Exchange
AS29626Staffordshire County Council
AS29631O-Bit Telecom Limited
AS50972Jamie Oliver Ltd
AS52200M5 Limited
AS30803Trident Net
AS30805Digital Brain plc
AS44366Datacash Group PLC
AS30837CDMS Ltd.
AS30844Liquid Telecommunications Backbone
AS30969Zimbabwe OnLine (Private) Ltd.
AS31562OpenMarket Limited
AS31742Sotaconnect Network
AS34007Proquote Ltd
AS35788Websense Hosted Security Network
AS39202GCap Media plc
AS41448Future Publishing Ltd
AS42004Information Technology Un Limited
AS42344Concept Coders Ltd
AS42536Deloitte & Touche LLP - UK Infrastructure
AS42633Deloitte Touche Tohmatsu Services Inc
AS43531IX Reach Ltd
AS44226Acturis Ltd
AS47762Magnetic North Software Ltd
AS50468Citrus Telecommunications Ltd
AS56696Liquid Telecommunications Ltd
AS8943Jump Networks Ltd.
AS30894Mblox Ltd
AS49958EVOLUTION GAMING LIMITED
AS30930Life Science Communications - Scientific publishing
AS30931IG Index PLC
AS30933KDA Web Services Ltd. / AS30933.net
AS31128Shazam Entertainment Ltd
AS31170Knowledge Ltd TA Nexent
AS31220Carrenza Ltd
AS31256Warwickshire County Council
AS31290Daisy Wholesale Limited
AS31392Phoenix Venture Holdings Ltd
AS31398NEC Europe Ltd
AS31402BlueSquare AS
AS314634D Data Centres Ltd
AS51926PageOne Communications Ltd
AS56730Wirehive Limited
AS31472VoiceHost Ltd
AS314932020Media.net.uk AS31493
AS31509W2 Networking Ltd
AS31532Hestview Limited
AS31535IDESTA Solutions limited network
AS31640City LifeLine AS
AS31641Bytel Ltd
AS43884EG Information Consulting Ltd
AS31648Crucial Systems Ltd
AS31659Below Zero Scotland
AS31672Control Circle Ltd
AS41477London Multi-Asset Exchange
AS51762Adversor LLP
AS58124CAPITAL SUPPORT LIMITED
AS39592IGX0 - Managed Internet Services
AS42466Meteoric Ltd
AS34555C.C.S. (Leeds) Ltd
AS35650TelNG Ltd
AS50534Smallworld Cable Ltd
AS8871CSI Limited
AS39620s2s Uk Ltd
AS57653Central Technology Ltd
AS8621Backbone (UK) Limited
AS31743Interpublic GIS (UK) Ltd
AS3206AF Blakemore & Son Ltd
AS8655Adjacent Networks
AS33953Experian International Ltd
AS33967Lancashire County Council
AS33970M247 Ltd
AS39602No Wires
AS57230Aria Web Development LLC
AS34013Maznet Ltd
AS34026Bucks Net Services Ltd
AS34041The British Medical Association
AS34079Eduserv Internet UK
AS34099Road Tech Computer Systems
AS51338Melonite UK Limited
AS35838CCANet Limited
AS39925Optinium Ltd
AS44516Setfire Media Ltd
AS34294Accenture SL
AS34344The Port Of Tilbury London Ltd
AS34350Man Investments Limited
AS56438Loop Scorpio main AS
AS34523Webroot Services Ltd
AS34539Servelocity Ltd
AS41000Freethought Internet
AS48825Fast2host Ltd
AS50656Optix Software Ltd
AS51707Medway Towns Council
AS34649HOST365 LIMITED
AS34657TAWA MANAGEMENT LTD
AS43539Digital Region Broadband South Yorkshire Ltd.
AS34670Coreware Ltd
AS34706Rack Sense Ltd
AS34861Informatica Software Ltd.
AS34914Syntec LTD
AS34934UKFast.Net Ltd
AS34967DRD Communication Plc
AS34988English Welsh and Scottish Railways
AS35045Opera Telecom Birmingham
AS35072Serco and Solutions AS
AS35089WB Internet Limited
AS35200OJSC Central telegraph
AS35299Classroom 2000
AS35327Naglotech AS Number
AS41495Faelix Limited
AS35551Assimisis
AS35559Someaddress Networks
AS42465Websense Hosted Security - Anycast network
AS35801Lion Re:Sources UK Ltd
AS35822CEGER
AS35825Guardian News and Media AS
AS35826Netservers Limited
AS35832Birmingham Grid for Learning AS
AS48447Comodo CA Ltd
AS39089anker
AS39116Telehouse Inter. Corp. of Europe Ltd As Number
AS9014CEFAS
AS39537Hub Network Services Ltd
AS39617Chris Burton t/a 8086 Consultancy
AS39884Inet Telecoms Ltd
AS41051Worksunit
AS42831UK Dedicated Servers Limited
AS43532Alpari (UK) Limited
AS44052Press Computer Systems Ltd
AS44646Gamesys Ltd
AS47227Charles Briscoe-Smith trading as Servology
AS49441Rutland Telecom Ltd
AS49793LMP Technical Services Ltd AS
AS49846Prolexic Technologies
AS51055Bridge Partners Ltd
AS514062Connect UK Ltd
AS51945ConnetU Ltd.
AS52148Racksrv Communications Limited
AS56745Kalnet4u Ltd
AS57203Lowcosttravelgroup Limited
AS6908Datahop Ltd
AS8330LONAP Ltd
AS8686System Online Ltd
AS8838Stripe21 Limited.
AS9086Qi Comm Ltd
AS39341Acxiom Ltd
AS39400London Borough of Hackney AS Number
AS39470ATRIUM NETWORK
AS39477Mundio Mobile Ltd
AS39485David and Joe Ltd
AS39522Converged Communication Solutions Limited
AS48620Beaming Ltd
AS49158Wifinity Ltd
AS51409SectorSix Limited
AS56460Telefonica UK Limited
AS39621Stream UK Media Services Limited
AS39627British Sky Broadcasting Limited
AS39633Ipitomi Limited
AS39782MF Global CP
AS39801Leeds City Council
AS39849ProTX Ltd
AS39875Zycomm Electronics Limited
AS39917PKR Technologies Ltd
AS40986Yahoo! Europe
AS41012The Cloud Networks Limited
AS6911Pro-Net Internet Services Ltd
AS41793On-Communications Ltd
AS41968Serversure Ltd.
AS41231Canonical Ltd
AS41342Durrants-Press-Cuttings-NET
AS4135734SP.com Ltd.
AS41362Brightgrey ltd
AS41380Ald Automotive Ltd
AS42009AVR Group Limited
AS41548Medway Council
AS41695Vostron Ltd
AS41769Voicenet Solutions Limited
AS42010ITPS Ltd
AS42284Cameron
AS56595Fluency Communications Limited
AS42356France Television
AS42359The Football Association Ltd.
AS42436Consumers Association Ltd
AS51212Create Internet Ltd
AS42537AutoOnline GMBH
AS42634Stoke-on-Trent City Council
AS42663GLG Partners LP
AS58192WEBB2B.CO.UK LTD
AS42853Pearson Education Ltd.
AS42880Hewlett Packard Limited
AS43367Interactive Web Solutions Ltd
AS44037COBBETTS LLP
AS48303Pannone LLP
AS48639Rentsmart ltd
AS51059Brightbox Systems Ltd
AS43408SecureData Europe Limited
AS43422Xchanging Global Insurance Solutions Limited
AS43436Groupe LE FIGARO
AS43486Mizuho Securities USA
AS43520Meytel Publicidad S.L.
AS47671Continuum Hosting Limited
AS50088Fort Technologies
AS8401Mailbox Networks
AS8513SkyVision Global Networks Ltd
AS8548Net Northwest
AS43584Maytech Communications Ltd
AS43620Syan Limited Hosting
AS43838Education Bradford
AS43979Louis Capital Markets UK LLP
AS50286Link up Mitaka Limited
AS44268JCB Excavators Ltd
AS44292SpinVox Ltd
AS44356Epsilon Telecommunications Ltd
AS443782ergo Ltd.
AS44403Bristol City Council
AS44437AHORRO CORPORACION
AS44548CMC Markets Plc
AS49695My JobGroup Ltd
AS44671Skyline Networks & Consultancy Ltd
AS44791Audio Visual Machines Ltd
AS44829MSCI Barra SA
AS47113SLP Core WAN
AS47130Verlagsgruppe NEWS GmbH
AS47264Ping Networks Limited
AS50028Mvision Video Networks Ltd
AS47367Torbay Economic Development Company Limited
AS47393WPP Group Technology Service
AS47400Bank Sal. Oppenheim jr. & Cie (Schweiz) AG
AS47449Snow Valley Limited
AS48779AEI Media Ltd
AS50541Virtek Limited
AS51043Aspire Technology Solutions Ltd
AS47514COMPU-MARK
AS47535Javelin Broadband Ltd
AS47539Microgen Management Services Limited
AS47549Hosting Systems Ltd
AS47572Ticketmaster UK Ltd
AS47603Tptp Ltd
AS47622Datatech UK Ltd
AS47631Carter Allen PLC
AS47669365 Media Group
AS47738CTC KINGSHURST ACADEMY
AS47797ESSEX COUNTY COUNCIL
AS47856Delta Productions Ltd
AS47871Newsquest Media Group Ltd
AS47998Media Service Provider Ltd.
AS48003Wm Morrison Supermarkets Plc
AS48018MTB Computer Services Ltd
AS48070DSM (GB) Limited
AS48210Bonne Terre Ltd
AS48273essensys Ltd
AS48294Spectrum Internet Ltd
AS48325Birmingham Science Park Aston Ltd
AS48342Deloitte & Touche Irl
AS48375Tibra Trading Europe Limited
AS48404Basepoint Centres Ltd
AS48577The Chief Fire Officers Association
AS48632BTS Holdings PLC
AS48718LBM Direct Marketing Limited
AS48906ERGO Insurance Service GmbH
AS48954AIMES GRID SERVICES COMMUNITY INTEREST COMPANY
AS48992Core Education and Consulting Solutions (UK) Ltd
AS49049Bath North East Somerset Council
AS51048Next Connex Ltd.
AS49212REALE SEGUROS GENERALES
AS49324Nottingham City Council
AS51320Wirelesslogic Ltd
AS49487Zamir Telecom Limited
AS49525PARADOX ENGINEERING SAGL
AS49615Ardmore Construction Limited
AS49694Three X Managed Services
AS49726Sandwell Metropolitan Borough Council
AS49728Herefordshire Council
AS49765Comms365 Limited
AS49823Hastingwood Securities Ltd
AS49868ANITE BUSINESS SYSTEMS LTD
AS49928Prisacom S.A.
AS56474Computacenter Mid-Market Data Centres
AS50184Mesh Internet Ltd
AS50202Hiscox Underwriting Group Services LTD
AS50246360 Treasury Systems AG
AS50271MESPMOTA-ENGIL SERVICOS PARTILHADOS ADMINISTRATIVOS E DE GESTAO S.A.
AS50287Audatex (UK) Ltd
AS51553Telecom Plus PLC
AS50300Custodian Ltd.
AS5462Virgin Media Limited
AS8426ClaraNET LTD
AS50422Royal Bank of Scotland plc
AS50432Royal Bank of Scotland plc
AS50510Cancer Research UK
AS50743Commensus PLC
AS50746Britannic Technologies Ltd
AS50813PAY AND SHOP LIMITED
AS510054D Interactive Ltd
AS51439Chartis UK Services Ltd
AS52215HAMPSHIRE COUNTY COUNCIL
AS57784NDS Limited
AS57850Northumbrian Water Ltd
AS8220COLT Technology Services Group Limited
AS8669Total Web Solutions Ltd
AS50910Mainstream Digital Ltd
AS50965LEONHARD KURZ STIFTUNG and CO. KG
AS51047Turtle Networks Ltd
AS51049Pensionkassernes Administration A/S
AS51063Fujitsu Telecommunications Europe Ltd
AS51072NHS CAMDEN
AS51113Elekta
AS51222CMC MARKETS PLC
AS51551Updata Infrastructure (UK) Limited
AS51704South West Grid for Learning Trust Ltd.
AS51736Brit Group Services Limited
AS52063SystemIP Ltd
AS52220BAWAG P.S.K. Bank fuer Arbeit und Wirtschaft und Oesterreichische Postsparkasse Aktiengesellschaft
AS5482Daisy Communications Ltd
AS5564Brightsolid Ltd
AS57099Boundless Communications Limited
AS57750NDS Group Ltd
AS6899Netstore Ltd UK now 2e2 Ltd
AS5600Total Connectivity Providers Ltd
AS56464Vibrant Media Ltd
AS56518PacketPipe Ltd.
AS58148Ironside Systems Ltd.
AS56640BAIN AND COMPANY INC. UNITED KINGDOM
AS5669Interoute Communications Limited
AS57403ORC Software AB
AS8844CI-Net Limited AS
AS8651Mitsubishi UFJ Securities International plc
AS9084Goldman Sachs International ULC
AS9115Internet Names For Business
AS8272Netscalibur UK Ltd
AS8276Roguepacket Networks
AS8356Neo-Tel Ltd.
AS8419Maxima Managed Services (Formerly: Hotchilli/DXI)
AS8468ENTANET International Limited
AS8546Your Communications Ltd
AS8607Timico Ltd
AS9142Netline UK Ltd
Rest of
World
AS12702Verizon Business EMEA - IPv6 only
AS12740OMX Technology AB
AS12787Mirror-Image Internet
AS13191netAxis
AS13207Caprock UK Limited
AS13258Centrica Plc
AS15375Commerzbank
AS15395UK Rackspace
AS15418Fasthosts Internet Ltd. Gloucester
AS15519Venda Limited
AS15572Betrusted
AS15635Yahoo! Europe
AS15654Civica UK Ltd.
AS15697BT Ignite Intercontinental Satellite Video Streaming
AS15740ABN AMRO
AS15769Deutsche Bank AG
AS15917CSC Computer Sciences Ltd
AS15951Dow Jones & Company
AS15961ATTENDA-UK
AS16096The Sporting Exchange Ltd
AS16162London Web Ltd
AS16174Intuitiv
AS16238Telecom2 Ltd.
AS16334Sureline Communications Limited
AS196839Virtual Universe LTD
AS196881Liberty-izone Ltd
AS196950The Carphone Warehouse Limited
AS197017NICEIC Group Ltd
AS197101Bellingham Telecoms Ltd
AS197122Affinion International Ltd
AS197282Wood Group Management Services Ltd
AS197651THE HUT.COM LIMITED
AS197782Freezone Internet Limited
AS197822Varidion Limited
AS197832Navisite
AS197872Electronic Arts Limited
AS197980Actimax Limited
AS198082Synetrix (Holdings) Limited
AS198136AGENCYPORT SOFTWARE EUROPE LTD
AS198294SCHNEIDER ELECTRIC INDUSTRIES SAS
AS198583VETORO UK LIMITED
AS198623iSumo Ltd
AS198723University of Reading
AS198781G3 Network Services Ltd
AS20617AS for BNP Paribas UK Ltd
AS20705HSBC Bank plc
AS20737GNI Trading AS
AS20878Atia Solutions Ltd
AS20944Grupo Ferrovial Network
AS21118Total Fina Elf Gas and Power Services London W1
AS21267Wavenet Limited
AS21301Royal Bank of Scotland plc
AS21327Hutchison 3G UK and Ireland Core AS
AS21346Vistorm Limited
AS24627GULFSATCOMMUNICATIONS COMPANY K.S.C.
AS24650Charles Stanley & Co Ltd
AS24673Firstserv Limited
AS24677Taylor Nelson Sofres
AS24716Interdirect Limited
AS25022TDM Group Limited
AS25028AS for Igroup
AS25135Vodafone Limited
AS25168Mitsui & Co UK Plc
AS25259AS for Glopeop Financial Services
AS25346Tiscali UK Ltd
AS2535BP America
AS25421John Lewis Plc.
AS25426BRAINTEC AS
AS25470Scottish and Southern Energy
AS2868The JNT Association
AS28695TraderMedia Ltd
AS28729AS for Ford Motor Company Ltd
AS28786Endava MS Formerly Internetworking Strategies
AS28816Abel Internet
AS28819E-COMMERA LIMITED
AS28837Vox Mundi LLC.
AS28863Thales Transport and Security Ltd
AS28914Cloud9 Communications Ltd
AS28934Mizuho International PLC
AS29019Hemscott plc
AS29054NSE Global ASN
AS29120AS for Rowe and Maw
AS29197ASN for Nomura
AS29207Shire Pharmceuticals Group PLC UK
AS29265DNS Europe Ltd
AS29400Tullett Liberty
AS29480CC Networks
AS29606Borwood UK Network
AS29646FFastfill UK Limited
AS29669GE Medical Systems Societe en Commandite Simple
AS30756AS For Cendant Group
AS30864Pan-European electronic payment solutions provider
AS30943Utransit International Carrier Limited
AS31015Hill and Knowlton
AS31151Performance Horizon Group LTD
AS31198Telenor UK Ltd
AS31223EA Games
AS31300FT Internet operations
AS31345Internet-Technologies and Systems
AS31426Vision Internet Network
AS31453Lothlorien Consulting Ltd
AS31667Soundmouse LTD
AS3328KCOM Group PLC
AS33921Lebara limited
AS34010Yahoo! Europe
AS34082Yahoo! Europe
AS34164Akamai Technlogies LON ASN
AS34286Aberdeen Journals Ltd
AS34407WAVECREST
AS34437Callserve Communications
AS34697Emerson
AS34737QinetiQ Ltd
AS34745TeleWare plc - AS number
AS34799ISP "Colibri"
AS34930BAA Airports Ltd
AS34933SKY TELECOM AG
AS35017SWIFTWAY
AS35289FTIP002613093 Veritas Software Ltd
AS35544Splendor (UK) Ltd
AS35545Badoo Technologies Limited
AS356708el AS Number
AS35716Merseyrail Electrics 2002 Ltd
AS35791Viastar AS number
AS35831Vnetrix Ltd
AS38936Herman Miller LTD AS Number
AS38966IntraLAN Group PLC
AS38974MediaRing (Europe) Ltd.
AS39097Azzurri Communications Ltd
AS39139Menzies Aviation Plc
AS39717Polestar Interactive Ltd
AS39733Talk24 Ltd.
AS39846Onega Ltd
AS40968Professional Protection Electronic Ltd.
AS41107Backbone Connect Ltd
AS41174Electronic Arts Limited
AS41276Payment Trust Limited
AS41321Fujitsu Technology Solutions GmbH
AS41367Production Services Network (PSN)
AS41383Wolseley UK Limited
AS41393Nasstar Limited
AS41433Research In Motion
AS41493BATS Trading Ltd.
AS41553Reed Managed Services Ltd.
AS41596Willis Group Services Ltd
AS41614TeleDesign Solutions Ltd
AS41840National Grid Plc
AS41963Moneysupermarket.com Ltd.
AS42046Independent Television News Limited
AS42129Serverstream Ltd
AS42179ACCELERATE4 ASN
AS42342First Data Corporation
AS42370C2C Limited
AS42565GTT - EMEA Ltd.
AS42705Talia provides VSAT network and hosting services worldwide.
AS42733Sirec Technologies Limited
AS42761Brinks Ltd
AS42875National Car Parks
AS42944Ticketmaster UK Ltd
AS42958Senior Internet Ltd.
AS43041Plan Ltd
AS43255FINANCIAL SECURITY ASSURANCE UK LTD
AS43313Miniclip SA.
AS43338Rational Services Ltd
AS43383AlwaysON Ltd
AS43424PROCEAU SARL
AS43428Yahoo! Europe
AS43519NOMINET UK
AS43664Thermeon Worldwide Plc
AS43827Environement Agency
AS43835NCC Group Plc
AS44076Mysupermarket Limited
AS44159Lawyers On Line Ltd
AS44251DataComms Europe Ltd
AS44422Wavex Technology Ltd
AS44474Schneider Trading Associates Ltd
AS44557Dragonara Alliance Ltd
AS44745Fidessa PLC
AS44782FXCM Securities Limited
AS44822Syncsort Inc
AS4489124 Seven Communications Ltd
AS44972Cobbett Hill Earth Station Limited
AS45028Barefruit Ltd
AS47121Sensemakers B.V.
AS47296HiFX PLC
AS47426Advitel Ltd
AS47443Velocity1 Limited
AS47523Heidmar UK Ltd
AS47540Tarainform Limited
AS47563Satellite Information Services Ltd
AS47712Velocix Limited
AS47716CorpoLink Ltd.
AS47744Xtend Solutions Ltd
AS47892FTEN Inc
AS47906Attenda Ltd
AS47971Hillside (New Media) Limited
AS48083Getronics UK Limited
AS48214Phorm UK Inc
AS48389Robeco AS Number
AS48397Unipart Group Limited
AS48591Ipreo Ltd
AS48596SAC Global Investors LLP
AS48660Ultra Communications Ltd
AS48686Solstice Technology Ltd
AS48771Semantico Ltd
AS48885Neocarrier Communications
AS48910InterNAP Network Services U.K. Limited
AS48935Automat Limited
AS48945Independent Fibre Networks Limited
AS48967BATS Trading Limited
AS48989Risk Management Solutions Ltd
AS48993Department 7 Limited
AS49209China Telecom (Europe) Ltd
AS49229Eison Ltd
AS49356IT&T-E LTD
AS49546Voicetec Sys Limited
AS49657Transaction Network Services (UK) LTD
AS49751Internet For Everything Ltd.
AS49758Lloyds Banking Group PLC
AS49933Tech Hosting Ltd
AS49937Interactive Sports (C.I.) Limited
AS49999Stonebridge Software Ltd 16-bit AS
AS50456Gage Networks LLP
AS50500ALICAP SOLUTIONS LTD
AS50598Datagate Network Solutions Ltd.
AS50632nU Colocation
AS50648PE UAinet
AS50756River Island Clothing Co. Ltd
AS50764The London Organizing Committee of the Olympic Games Limited
AS50833Fiber Telecom Ltd
AS50932Mesh Digital
AS51006ZEN Network Technologies Ltd
AS51329CONNECTION NETWORKS L.P.
AS51332CONNECTION NETWORKS L.P.
AS51479CONNECTION NETWORKS L.P.
AS51498CONNECTION NETWORKS L.P.
AS51720Fujitsu Technology Solutions GmbH
AS51818Genus PLC
AS51823Microtalk Telecommunications Limited
AS51845Waterstons Limited
AS51946University of Newcastle upon Tyne
AS51965Monecor (London) Ltd
AS51999AdultEUhost Ltd
AS52076AlgoSpan Limited
AS52221Vibe Communications UK Ltd
AS53335BlueCrest Capital Management LP
AS5551Cable & Wireless UK P.U.C.
AS5586MCI International (Europe and North Africa)
AS5587Legend Communications plc.
AS5596T-Mobile Hungary Telecommunications Company Limited by Shares
AS56325DIOGELO LTD.
AS56396Turn Europe (UK) Ltd.
AS56565Manor IT (UK) Limited
AS56775LADBROKES IT & SHARED SERVICES LIMITED
AS57156ANS Group Plc
AS57408Reed Smith LLP
AS57511OvalTech Internet Ltd.
AS57586VENSERVE VENTURES LLP
AS57624Beeks Trading Corporation Ltd
AS57652London Telecom Exchange LTD
AS57668Santrex Internet Services Ltd.
AS57669DediPower Managed Hosting Limited
AS57894Incon Limited
AS57935NEXON Europe S.A.R.L.
AS58144THE STREAMING COMPANY.COM LIMITED
AS58226Pearson Harper Ltd
AS6660Cable & Wireless UK P.U.C.
AS6838The Flirble Internet Exchange
AS6859KCPweb
AS8266Nexus Telecommunications Ltd
AS8296H Bauer Publishing Ltd
AS8718Datastream International
AS8987Amazon Data Services Ireland Ltd
AS9161Poundbury Systems Ltd.
AS9194MCI WorldCom Advanced Networks
Visualizing IPv6 routing within the UK (cont)
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 13
Caveat: Not all links will show within these graphs
IPv4 &
IPv6
AS12290Exonetric Consulting Ltd
AS12295Professional Telecommunications Ltd.
AS12390KCOM Group Public Limited Company
AS12513Eclipse Internet
AS12536EDGE-IX ASN
AS15641Arqiva Communications Ltd
AS16293Intercea UK AS number
AS21218Smartways
AS31021Dialogue Communications Ltd
AS33854Host-It Internet Solutions Datacentre
AS39152intY Ltd
AS39609Multicom Products Ltd
AS43534CreditCall Ltd
AS44369EMBC PROCUREMENT LIMITED
AS44611Talk Internet
AS8613ICM NetServ Ltd
AS12433Orbtalk Limited
AS12496Infinity Developments Limited
AS31708Coreix Limited
AS44684Mythic Beasts Ltd
AS12519FastNet International Ltd.
AS25376Netnorth Limited
AS25582LINIX Ltd
AS29129Vispa Internet Limited
AS30847Lancaster University Network Services Limited
AS34119Wildcard UK Ltd
AS34660Idaq Ltd
AS34931Awareness Software Limited
AS43545Teledata UK Limited
AS48610Unitel
AS58273
AS8689Power Internet Ltd.
AS12576Orange Personal Communications Services
AS35736ORANGE HOME UK PLC
AS12583Stanley UK Services Ltd
AS126211A Networks Limited
AS12628Jaco Engelbrecht
AS12658Dexterity Networks Limited
AS12678Badoo Limited
AS12701Barclays Bank plc
AS12703Pulsant (Scotland) Ltd
AS15379Flexiant Ltd
AS16197Tollon
AS20712Andrews and Arnold Ltd
AS29550Simply Transit Ltd
AS34243Web Age Ltd London AS
AS35259APM Internet UK Network
AS35732UK Webhosting Ltd -
AS41489Watchfront Limited
AS41866Interfax Inc
AS44574A4N
AS49026Volume Limited
AS49397Cambridge Imaging Systems Limited
AME Investments Limited
AS12707Caberfeidh (UK) Ltd
AS12708TalkTalk Communications Limited
AS12775The JPCINET
AS12789Associated Newspapers Limited
AS12855Houxou Ltd
AS12870Arrowhead Systems Ltd
AS12884DRW Investments (UK) Limited
AS12885Arbinet-thexchange Limited
AS197669Synety Ltd
AS42040Crosspoint Colocation And Hosting Limited
AS13005C2 Internet ASN
AS13009InTechnology Plc
AS15845Computers In The City
AS13037Zen Internet Ltd
AS20941Zen Internet Ltd
AS29474Ghoti Limited
AS41029Ebuyer (UK) Limited
AS41830Fitzpatrick Ltd
AS48888Miranda Technologies Ltd.
AS49162Entee Global Services Ltd
AS50053Peninsula Business Services Limited AS13037
AS51766Merseyside Fire and Rescue Service
AS52024KWIK-FIT (GB) Ltd
AS13076Virgin Media Limited
AS13126Mach6
AS13114Nationwide Building Society
AS13122MANX-TELECOM
AS44481Professional Data Management Services Limited
AS13173Foreshore Limited
AS13216Itex Guernsey Ltd
AS25040I.T. Consultancy Limited
AS8680Cable & Wireless Channel Island Network
AS13208Newtel Ltd
AS13213UK-2 Ltd
AS16339Virtual Internet (UK) Ltd
AS39451Melbourne Server Hosting Ltd
AS39458Real Hosts Limited
AS51561ICUK Computing Services Limited
AS13285TalkTalk Communications Limited
AS24916OrbitalNet Ltd
AS31487VarTec Telecom UK Ltd
AS43234TalkTalk Communications Limited
AS8586TalkTalk Communications Limited
AS9105Tiscali UK
AS15412Flag Telecom Global Internet AS
AS15766Domicilium (IOM) Limited
AS15773ABS Telecom Limited
AS15830TELECITYGROUP INTERNATIONAL LIMITED
AS15988Akhter Computers Ltd.
AS16353Merula Limited
AS20500Griffin Information Systems Limited
AS20799Datanet.co.uk Ltd
AS20860Iomart
AS20923Skymarket UK ISP
AS21099Game Stores Group Ltd
AS21371Equinix UK
AS24594Frontier Systems Ltd.
AS24851Netcetera Peers
AS25061Associated Networks Limited
AS25178Keycom PLC
AS25180Exponential-e Ltd
AS25310Cable and Wireless Access Ltd
AS28846Carlton Television Birmingham UK
AS29527Othello Technology Systems Limited
AS29664Reliance Globalcom Ltd. (formerly Vanco Ltd)
AS29668Qube Managed Services Limited
AS30827Xtraordinary Networks Ltd.
AS30914AS for ioko365 Ltd
AS31084Magrathea Telecommunications Limited
AS31715NetrinoUK Ltd
AS34442AS-XIFOS
AS34746Eaton Kaye Ltd
AS35228Avatar Broadband Limited
AS35799Known Future Ltd
AS39356Avanti Broadband Ltd.
AS42579Comtec Enterprises Ltd
AS42689Cablecom Networking Limited
AS42973Metronet (UK) Limited
AS47999Transversal Corporation Ltd's AS Number
AS49572Fujitsu Services Ltd.
AS50173Vtesse Networks Limited
AS51159Think Systems UK Ltd
AS51205Omnifone Limited
AS51918Cerberus Networks Ltd
AS5503RM Education PLC
AS5552Redstone Managed Solutions Ltd
AS5631VITAL-GROUP UK Network
AS6656Star Technology Services Limited
AS6871PlusNet PLC
AS6894KDDI Europe Ltd.
AS786The JNT Association
AS8190VIATEL
AS8553Avensys Networks Ltd
AS8683Nominet UK
AS8851Edge Telecom Ltd
AS8897KCOM Group PLC
AS8912Group NBT plc (formerly NetBenefit)
AS9191NEWNET plc Peers
AS15421Internap European
AS15429DIGEX UK
AS15431Daisy Communications Ltd
AS15444Netservices Plc
AS25585Kencomp Internet LTD
AS31632OAG WorldWide Limited
AS34689IP Infrastructures Ltd
AS15463Network-i Limited
AS15510Compuweb Communications Services Limited
AS31048Digital Evolutions Ltd
AS51905Compuweb Communications Services Limited
AS15533SunGard Availability Services (UK) Ltd
AS15768WorldPay Limited
AS16164Sohonet Limited
AS196809FremantleMedia Ltd
AS29214HOUSES OF PARLIAMENT
AS29295Northgate Information Solutions UK Limited
AS33860Garban Intercapital
AS44480Brevan Howard Asset Management LLP
AS57851Genesis Housing Association Limited
AS15542ZeelandNet BV
AS15568European Bank for Reconstruction & Development
AS15570Internap European
AS15989NYSE TECHNOLOGIES LIMITED
AS20577Tradeweb Europe Ltd
AS20990Commerzbank
AS21110Ladbrokes Limited
AS24887Lone Pine Capital (UK) Limited AS London
AS25218The Economist resiliancy
AS28687KBC Investments Limited
AS31637WPP Group Technology Services
AS34587Hillside (New Media) Limited
AS40992Marex Financial Ltd
AS44568OpSource
AS44931TNTExpressICS
AS48463Tradition Financial Services Ltd.
AS50023Vodat International Ltd
AS50393SUMITOMO MITSUI BANKING CORPORATION EUROPE LTD
AS15601Baring asset Management 155 Bishopsgate London UK
AS41570Services Sound and Vision Corporation
AS15653NetSumo AS Number
AS34816AEG Europe
AS15676Voxeo UK block from Global Crossing
AS15677MBA Systems
AS15689Advanced IT Services Nottingham LTD
AS15692Razorblue Ltd
AS15724Cofunds Ltd
AS15770Derwentside District Council
AS15786Callserve Communications Limited
AS197407China Unicom (Europe) Operations Ltd
AS198567ED & F MAN CAPITAL MARKETS LIMITED
AS21206Polar Computer Communications Limited
AS24742APAK Group Limited
AS31404LYCATEL DISTRIBUTION UK LIMITED
AS31515Inmarsat
AS33859The Portal Partnership Ltd.
AS35414European Medicines Agency
AS39757The UK Grid Network Ltd
AS42077Micro-Business Maintenance Ltd
AS47163Ingenico (UK) Limited
AS51149SYBASE EUROPE B.V.
AS52129Proofpoint Inc.
AS57356Highland Network Ltd
AS58202Knight Communications LTD
AS8942Focus Information Limited
AS15839Athene Internet/Cobweb Solutions Network
AS15865Elliott Advisors UK Network
AS15914British Airways plc
AS15957Web Technology Group
AS15977Pershing Ltd
AS15992Visa International
AS15998Specific Media UK
AS16036Thomson Financial
AS16050Reuters Docklands resiliancy
AS16082Spitfire Network Services
AS51649Vision Capital Group Limited
AS16085Infobolsa Spanish Network
AS5555Sohonet Limited
AS16166WorldPay Limited
AS16260GTT - EMEA Ltd.
AS24894Tag Europe Ltd
AS16282Allied Irish Banks Plc
AS16303IPSwitch Networks Ltd
AS16315Absolute Clarity Limited
AS16351Juno Records Ltd.
AS198353Mimeo Limited
AS31595AwellConnected.Com
AS34654Ionic Information Limited
AS163627 Global Systems Limited
AS196628Eurolink Telecom Ltd
AS196656Bayberry Rue Ltd
AS196671Little Owl Computer Services Limited
AS196720deCarta Limited
AS196722SCHWEIZERISCHE NATIONALBANK
AS196745Datacenta Hosting Ltd
AS196778Transport for London
AS196875Modrus Ltd
AS196902Dudley Metropolitan Borough Council
AS196904N.E. Services Ltd
AS196933Atlas Interactive Group Ltd.
AS196942Digital Distribution Networks Ltd
AS196962Cupid plc
AS196981London Borough of Brent Council
AS196990Shawbrook Bank Limited
AS197039Nomura International Plc
AS197085Sykes Global Services Ltd
AS197104Gentoo Group LIMITED
AS197107Blue Chip Customer Engineering Ltd
AS197182The Briars Group ltd
AS197239Ashridge (Bonar Law Memorial) Trust
AS197320National Pharmacy Association Ltd
AS197338Societe Generale Securities Services UK Limited
AS197342AePONA Ltd.
AS197370Nottinghamshire County Council
AS197409Co-operative Group (CWS) Limited
AS197419The International Institute For Strategic Studies
AS197463Crossflight Ltd
AS197529Emizon Networks Limited
AS197568Cardif Pinnacle Insurance Management Services PLC
AS197591Intercept IT Limited
AS197594Redstor Limited
AS197666Beaver-Visitec International
AS197852Renaissance Capital Services Ltd
AS197913CCPG Solutions Ltd
AS197972AGENCYPORT SOFTWARE EUROPE LTD
AS198032Cambridge Assessment
AS198037First Rate FX Limited
AS198046Scott Logic Ltd
AS198047UK Webhosting Ltd
AS198071ZBI Europe LLC
AS198079Delcam PLC
AS198142Warrington Borough Council
AS198154Connections North West Ltd
AS198189Crown Office and Procurator Fiscal Service
AS198222West Herts College
AS198236TSOne Ltd
AS50419Appstal Limited
AS198276Kroll Ontrack Legal Technologies
AS198299Kooljett Limited
AS198300Forth Electrical Services Ltd
AS198312Spectra Group (uk) Ltd
AS198313SystemHOST Limited
AS198328Trayport Limited
AS198362HELIACAL NETWORKS LTD
AS1983821st Easy Limited
AS198386ONI plc
AS198426FIBRESTREAM LIMITED
AS198440M12 Solutions Ltd
AS198536Safe Financials LTD
AS198554DXI Limited
AS198719Intelliworkspace Ltd
AS198722TXRX Communications Ltd
AS198753Excell Group PLC
AS198756Easy Connect Limited
AS198801Your Housing Group Ltd
AS198850Hogarth Worldwide Limited
AS198863Cambridge University Press (Holdings) Limited
AS198883YAMMER EUROPE LIMITED
AS199032Call27 Limited
AS199066Data8 Limited
AS42383Griffin Information Systems Limited
AS45019SquareCows Limited
AS20505Legal & General Investment Management Holdings Ltd
AS20547Six Degrees Managed Data Limited
AS20782ZebraHosts LTD
AS25588Ultraspeed - Main UK Network
AS28673Internet Technology Products
AS30909FastVision Limited
AS39361Intuitive IT Ltd
AS41203Geopost UK
AS49962zero.net.uk Ltd
AS57168BBS Commerce Ltd
AS20610Northcliffe Media Limited
AS20629BIS Ltd
AS21459Business Systems Group LTD
AS28959AS for Vitol Group
AS29026Charles Taylor Consulting PLC
AS49503Cloud Data Ltd
AS20652Unitron Systems & Development LTD
AS20679hSo: broadband internet
AS20695Capital One Bank (Europe) plc
AS20738Webfusion Internet Solutions
AS47484FCP Internet LTD
AS5400British Telecommunications plc
AS29131RapidSwitch
AS29164Titan Internet Ltd
AS30967Software Cellular Network Ltd
AS42382Lightwood Consultancy Ltd
AS44947Nativ-Systems AS
AS44948LAST.FM LTD
AS49182BT ENGAGE IT Limited
AS49781UFI Ltd.
AS20927Addison Lee
AS20952VENUS BUSINESS COMMUNICATIONS LIMITED
AS20955ProQuest Information and Learning Limited
AS20976Domainmaster Ltd.
AS34066TelAppliant Ltd.
AS43198Outsourcery Hosting LTD
AS20998SDL International PLC
AS21011"TOP NET" PJSC
AS21054RBSG Internet operations
AS21055Axamba Limited T/As Web Tapestry
AS21076BTA Ltd
AS21077SCC Internet Services (Formally ISP4Business)
AS3344Burstfire Networks Limited
AS21130Iomart
AS21160Markel International Services Ltd
AS21177Definite Software Ltd
AS21188Unilever PLC
AS21208YOUNG AND RUBICAM SL
AS21233C2 Direct Transit AS
AS21260The Positive Internet Company Ltd
AS21296PricewaterhouseCoopers LLP
AS21321Areti Internet Ltd.
AS57994NetEarth UK Ltd
AS58252RINGLOUD LIMITED
AS21345MessageLabs
AS21356GTT - EMEA Ltd.
AS21369SchlumbergerSema
AS24910HIGHBRIDGE LONDON
AS24990Equinix France
AS29006POBOX Hosting Limited
AS29033Eckoh UK Limited
AS31727Node4 Ltd
AS3213Bogons Ltd
AS33941Gconnect
AS41811Convergence Group Limited
AS43599North West Electronics
AS44824Callagenix Limited
AS44980Cairney Network
AS48077Zix Corporation
AS49669Cognito Limited
AS51489T-Systems Limited
AS8676PRT Systems Ltd
AS9153Burstfire Networks Limited
AS21396NetConnex Broadband Ltd. - London
AS25464Routo Telecom European
AS29676Gradwell dot com Limited
AS42909Internet Computer Bureau Ltd
AS44314ITsynergy Ltd
AS8916Portfast Ltd
AS21422Connect internet Solutions Limited
AS21423Komax Holding
AS21433Accenture UK Limited
AS21439Morgan Stanley
AS21448Netserve Consultants LTD
AS43328Nation Wilcox Associates
AS21464EDF Trading
AS21470South West Communications Group Ltd
AS21472ServerHouse Ltd
AS24591i2 Networks Ltd
AS24661MDS Technologies Ltd - Corsham
AS24720Avensys Networks Ltd
AS24775QinetiQ Ltd
AS24778DataPipe Europe
AS24865Keith Mitchell
AS24867Adapt Services Ltd
AS24976Techgate PLC
AS2589Wanstor Ltd
AS31156The Energy Savings Trust
AS34401EMI Group Limited AS34716
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AS39520MCP ASN
AS39610LCH Clearnet
AS41246Electronic Media Services Ltd.
AS42332The Software Connection Limited
AS42479Kroll Ltd
AS43280Gordian Knot Limited
AS44521Jagex Limited
AS48182WRN Ltd
AS49454Internal Systems Limited
AS50529Cubic Transportation Systems Ltd
AS50697ACSN Limited
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AS24958The Bunker Secure Hosting Limited
AS39295SWITCH IP LTD
AS44971GOETEC Limited
AS47933Commidea LTD
AS48513Sitekit Solutions
AS24931DediPower Managed Hosting Limited
AS24949Btcml AXA
AS47813Semantico Ltd
AS49882Moneybookers Ltd.
AS57148Bytehouse Ltd.
AS8457ABCnet
AS24989Equinix Germany (Previously IX Europe Germany AS)
AS41936Colt Group Ltd.
AS25006Abbey National Trading Services PLC
AS25026Vio Worldwide Ltd
AS25048DSNet Hosting Limited
AS25049STASCo
AS25050BACS Ltd AS
AS5388Energis UK
AS39779Mesh Digital Ltd
AS41113Pseudo Networks Limited
AS51901COMS LIMITED
AS25098Low Cost Host Ltd
AS25492Mr Site Ltd
AS34675Prima Internet Holdings Limited
AS25127BTopenworld Broadband & Narrowband networks located in the UK
AS25160Vorboss Limited
AS25369Bandwith Technologies Ltd
AS25562Sony Computer Entertainment Europe (SCEE)
AS25577Connexions4London Ltd
AS2818BBC Internet Services
AS29009UK Wireless Broadband Network
AS29017Gyron Internet Ltd
AS29297Linkconnect services Ltd
AS29328T-Mobile (UK) Limited
AS29452Secura Hosting Ltd
AS29611Elite Limited
AS30740Exa Networks Limited
AS31474MTV Networks Europe
AS31523Laterooms AS
AS31655Gamma Telecom AS
AS33920(aq) Networks Limited
AS33968Internet Engineering Limited Main AS
AS34270Internet Connections Ltd
AS35028Multiplay AS Number
AS35399Online50 Limited
AS35425Bytemark Computer Consulting Ltd
AS35456Fubra Limited
AS35575Vaioni Group AS
AS35662Redstation Limited
AS41230Ask4 Limited
AS41678The Internet Business Ltd
AS42353Simwood eSMS Limited
AS42369LBI Ltd
AS43013York Data Services Limited
AS43323Playout 247 Ltd
AS44009Sleek Networks Ltd
AS45014Nuco Technologies Ltd
AS47143Todayhost Limited
AS47474Virtual1
AS47480Blue Tiger Solutions Limited
AS48961Warwicknet Ltd.
AS48973Netplan Internet Solutions Ltd
AS49375Trunk Networks Limited
AS49629UTV Internet
AS50056Advantage Interactive Limited
AS50292StratoGen Internet
AS50384W-IX LTD
AS50763MCKAYCOM LTD
AS5089Virgin Media Limited
AS50957Memset Ltd
AS51377BurstNET Limited
AS5459London Internet Exchange Ltd.
AS5500Colloquium Limited
AS5607British Sky Broadcasting Limited
AS56478Hyperoptic Ltd
AS57315PureBlue Global Networks Ltd
AS6717Internet Central Limited
AS8282FidoNet Registration Services Ltd
AS8530Excell Group PLC
AS8577Rackage Ltd
AS8789Novosco Limited
AS8902Internet For Business Limited
AS8950Logicalis UK Limited
AS25320Skypower AS Number
AS30769The Berkeley Group plc
AS30949Exponential-E Ltd.
AS31665Invesco UK Ltd.
AS34253WPP Group plc
AS34632Ariel Communications Ltd
AS34728Cinven Services
AS34830FCP Internet LTD
AS39179Modrus Ltd
AS41909Hometrack Data Systems Ltd
AS41951GlobecastUK Ltd
AS42584London Capital Group Limited
AS42724Terrapinn Holdings Ltd
AS44402GFI Holdings Limted
AS48177Finsoft Ltd.
AS48449CANTILLON CAPITAL MANAGEMENT LLP
AS48493TFM Networks Ltd
AS48570Auriga Kore Limited
AS57228Imtech ICT Limited
AS25327FTSE-International Ltd.
AS41659Robert Bentley t/a Synergyworks Internet
AS41847Daniel O'Mahony
AS58117Swordfish Hosting Limited
AS57672Daniel James Austin
AS25460The Networking People (NorthWest) Limited
AS25501TUXTEL Ltd
AS25546Brookland Computer Services Limited
AS25547Intuit Maidenhead
AS28757Scotnet
AS31270Fusion Media Networks Ltd
AS31273Bisnet Ltd Main AS Number
AS31712Gigastream plc
AS34811Aspire Internet Ltd
AS352624L Communications Ltd
AS39414Bytefetch Ltd
AS39674Solutios Limited
AS41103ClearIP Ltd
AS41400USIC Internet Services Ltd
AS41593Unit Vector Ltd.
AS41595Content and Code Ltd
AS41653Aqua Ray SAS
AS41759Fry IT Ltd.
AS41813Axill Europe Ltd.
AS42228BrightStar Ltd.
AS42262Dynmark International Limited
AS43057Dimasoft Ltd
AS43551AMT DataTechnologies Limited
AS43950Spilsby Internet Solutions
AS44305The Cloud Computing Centre Ltd.
AS44801Direct Technical Ltd
AS44934Arachsys Internet Services Ltd
AS44965Contactual Inc.
AS47351REDtechnology.com
AS47571Digital Craftsmen Ltd.
AS47625Paul David Hughes trading as Hosting Systems
AS48071Northcote Internet Limited
AS48231Thinkgrid Ltd.
AS49819Shopzilla Europe Ltd
AS50882Maxnett Ltd.
AS50888Minotaur IT Limited
AS51198DREAM SERVERS LTD
AS51572Cerulean Solutions Limited
AS56367Sci-Teq Limited
AS56990Syscomm Ltd
AS57307Blaze Networks Ltd
AS57391Charless Street Communications Ltd.
AS57907CloudConnX Limited
AS581022Dmedia Ltd.
AS25587MoneyAM Ltd
AS31459BBC
AS2830Verizon Nederland B.V.
AS2856BTnet UK Regional network
AS28690ING DIRECT UK N.V.
AS31003Iron Mountain UK Ltd
AS31422AS for Aon UK
AS31565Symantec Limited
AS33820Reed Elsevier
AS33879Forth Ports Public Limited Company
AS33981Total System Services Processing Europe Limited
AS34134FreeClix LIMITED
AS34790Waveworks Internet Network
AS35049Qualcomm Inc AS
AS35180Hosted IP Communications Ltd
AS35405Macquarie Bank internet network European AS number
AS35452CIMS Lon UK
AS35707AS for Scottish Power PLC
AS39060Sainsbury's Supermarkets Ltd
AS39118Earthgazer ASN
AS39313AS number for WebTrends
AS39326Goscomb Technologies Limited
AS39461EDF Energy Nuclear Generation Group Ltd
AS39550KPMG UK LLP
AS41021Ebuyer UK Limited
AS41373N3 Service provider
AS41532Barclays Bank plc
AS41613East Sussex County Council
AS41751Ocado Ltd
AS41919Genesys Laboratories UK
AS41988AGE UK Enterprises
AS42592Thomas Cook UK Limited
AS43014Kirkland & Ellis International
AS43251Websense Inc Reading
AS43298Sequence Collective Ltd
AS43392Bluebay Asset Management Plc
AS43949Marsh & McLennan Companies
AS44114Air New Zealand Limited
AS44371PayPoint Network Ltd
AS44697C3 Ltd
AS47534VocaLink Ltd
AS47978McKesson Information Solutions UK Ltd
AS48553Market Axess Europe Ltd
AS48706Electronic Data Processing PLC
AS48717Rural Payments Agency
AS48902Endsleigh Insurance Services Ltd
AS48952ZBI Europe LLC
AS49247The East Sussex Fire Services
AS49318ARCTelligent Ltd
AS49413Imerja Ltd.
AS49485High Availability Hosting Limited
AS49707Valuelink Information Services Ltd
AS49780Allen & Company Advisors Ltd
AS49807LANDMARK PLC
AS50039iGlobalMedia Marketing (UK) Limited
AS50063Sainsbury's Supermarkets Ltd
AS50224eaga plc
AS50229Stratos Global Limited
AS50445Wirefast Limited
AS51318STANDARD CHARTERED BANK
AS5413Daisy Communications Ltd
AS56644Synergy Financial Servics Ltd
AS57002William Hill Organization Ltd
AS58218Monster Worldwide Limited
AS8435Lloyds Banking Group PLC
AS8698Nationwide Building Society
AS8928Interoute Communications Limited
AS28688WPP Group Technology Services
AS28697Nitrex primary AS number
AS28705Cybase Limited
AS28780The PCMS Group Plc
AS28782Vistorm Ltd Secondary AS
AS28792Public Internet Ltd
AS28861Carr Futures Inc London
AS28939AS for ARM Ltd
AS28986Loud-n-Clear Ltd.
AS30746NUQE Ltd
AS39208NexByte Ltd
AS41977AS for Fluent LTD
AS47691Internet Technology Ltd
AS29016Pearson Shared Services Ltd
AS34282UKNOC AS
AS39332ServerForce Ltd - Main AS
AS39545Fluidata Ltd
AS29045IT Action Limited
AS29212Synetrix Ltd.
AS44442The Borough of Telford and Wrekin Council
AS56670West Sussex County Council
AS56929Wandsworth Borough Council
AS29219SEMTEC Limited
AS29444Reflex Internet
AS29446ChunkyChips.net Limited
AS29457Options Technology Ltd.
AS34623Othello Technology Systems Limited
AS56673ZEDELEVEN Ltd
AS8622Namesco Limited
AS29575AS for London Stock Exchange
AS29626Staffordshire County Council
AS29631O-Bit Telecom Limited
AS50972Jamie Oliver Ltd
AS52200M5 Limited
AS30803Trident Net
AS30805Digital Brain plc
AS44366Datacash Group PLC
AS30837CDMS Ltd.
AS30844Liquid Telecommunications Backbone
AS30969Zimbabwe OnLine (Private) Ltd.
AS31562OpenMarket Limited
AS31742Sotaconnect Network
AS34007Proquote Ltd
AS35788Websense Hosted Security Network
AS39202GCap Media plc
AS41448Future Publishing Ltd
AS42004Information Technology Un Limited
AS42344Concept Coders Ltd
AS42536Deloitte & Touche LLP - UK Infrastructure
AS42633Deloitte Touche Tohmatsu Services Inc
AS43531IX Reach Ltd
AS44226Acturis Ltd
AS47762Magnetic North Software Ltd
AS50468Citrus Telecommunications Ltd
AS56696Liquid Telecommunications Ltd
AS8943Jump Networks Ltd.
AS30894Mblox Ltd
AS49958EVOLUTION GAMING LIMITED
AS30930Life Science Communications - Scientific publishing
AS30931IG Index PLC
AS30933KDA Web Services Ltd. / AS30933.net
AS31128Shazam Entertainment Ltd
AS31170Knowledge Ltd TA Nexent
AS31220Carrenza Ltd
AS31256Warwickshire County Council
AS31290Daisy Wholesale Limited
AS31392Phoenix Venture Holdings Ltd
AS31398NEC Europe Ltd
AS31402BlueSquare AS
AS314634D Data Centres Ltd
AS51926PageOne Communications Ltd
AS56730Wirehive Limited
AS31472VoiceHost Ltd
AS314932020Media.net.uk AS31493
AS31509W2 Networking Ltd
AS31532Hestview Limited
AS31535IDESTA Solutions limited network
AS31640City LifeLine AS
AS31641Bytel Ltd
AS43884EG Information Consulting Ltd
AS31648Crucial Systems Ltd
AS31659Below Zero Scotland
AS31672Control Circle Ltd
AS41477London Multi-Asset Exchange
AS51762Adversor LLP
AS58124CAPITAL SUPPORT LIMITED
AS39592IGX0 - Managed Internet Services
AS42466Meteoric Ltd
AS34555C.C.S. (Leeds) Ltd
AS35650TelNG Ltd
AS50534Smallworld Cable Ltd
AS8871CSI Limited
AS39620s2s Uk Ltd
AS57653Central Technology Ltd
AS8621Backbone (UK) Limited
AS31743Interpublic GIS (UK) Ltd
AS3206AF Blakemore & Son Ltd
AS8655Adjacent Networks
AS33953Experian International Ltd
AS33967Lancashire County Council
AS33970M247 Ltd
AS39602No Wires
AS57230Aria Web Development LLC
AS34013Maznet Ltd
AS34026Bucks Net Services Ltd
AS34041The British Medical Association
AS34079Eduserv Internet UK
AS34099Road Tech Computer Systems
AS51338Melonite UK Limited
AS35838CCANet Limited
AS39925Optinium Ltd
AS44516Setfire Media Ltd
AS34294Accenture SL
AS34344The Port Of Tilbury London Ltd
AS34350Man Investments Limited
AS56438Loop Scorpio main AS
AS34523Webroot Services Ltd
AS34539Servelocity Ltd
AS41000Freethought Internet
AS48825Fast2host Ltd
AS50656Optix Software Ltd
AS51707Medway Towns Council
AS34649HOST365 LIMITED
AS34657TAWA MANAGEMENT LTD
AS43539Digital Region Broadband South Yorkshire Ltd.
AS34670Coreware Ltd
AS34706Rack Sense Ltd
AS34861Informatica Software Ltd.
AS34914Syntec LTD
AS34934UKFast.Net Ltd
AS34967DRD Communication Plc
AS34988English Welsh and Scottish Railways
AS35045Opera Telecom Birmingham
AS35072Serco and Solutions AS
AS35089WB Internet Limited
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AS35299Classroom 2000
AS35327Naglotech AS Number
AS41495Faelix Limited
AS35551Assimisis
AS35559Someaddress Networks
AS42465Websense Hosted Security - Anycast network
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AS35822CEGER
AS35825Guardian News and Media AS
AS35826Netservers Limited
AS35832Birmingham Grid for Learning AS
AS48447Comodo CA Ltd
AS39089anker
AS39116Telehouse Inter. Corp. of Europe Ltd As Number
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AS39537Hub Network Services Ltd
AS39617Chris Burton t/a 8086 Consultancy
AS39884Inet Telecoms Ltd
AS41051Worksunit
AS42831UK Dedicated Servers Limited
AS43532Alpari (UK) Limited
AS44052Press Computer Systems Ltd
AS44646Gamesys Ltd
AS47227Charles Briscoe-Smith trading as Servology
AS49441Rutland Telecom Ltd
AS49793LMP Technical Services Ltd AS
AS49846Prolexic Technologies
AS51055Bridge Partners Ltd
AS514062Connect UK Ltd
AS51945ConnetU Ltd.
AS52148Racksrv Communications Limited
AS56745Kalnet4u Ltd
AS57203Lowcosttravelgroup Limited
AS6908Datahop Ltd
AS8330LONAP Ltd
AS8686System Online Ltd
AS8838Stripe21 Limited.
AS9086Qi Comm Ltd
AS39341Acxiom Ltd
AS39400London Borough of Hackney AS Number
AS39470ATRIUM NETWORK
AS39477Mundio Mobile Ltd
AS39485David and Joe Ltd
AS39522Converged Communication Solutions Limited
AS48620Beaming Ltd
AS49158Wifinity Ltd
AS51409SectorSix Limited
AS56460Telefonica UK Limited
AS39621Stream UK Media Services Limited
AS39627British Sky Broadcasting Limited
AS39633Ipitomi Limited
AS39782MF Global CP
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AS39849ProTX Ltd
AS39875Zycomm Electronics Limited
AS39917PKR Technologies Ltd
AS40986Yahoo! Europe
AS41012The Cloud Networks Limited
AS6911Pro-Net Internet Services Ltd
AS41793On-Communications Ltd
AS41968Serversure Ltd.
AS41231Canonical Ltd
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AS41380Ald Automotive Ltd
AS42009AVR Group Limited
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AS42010ITPS Ltd
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AS56595Fluency Communications Limited
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AS42359The Football Association Ltd.
AS42436Consumers Association Ltd
AS51212Create Internet Ltd
AS42537AutoOnline GMBH
AS42634Stoke-on-Trent City Council
AS42663GLG Partners LP
AS58192WEBB2B.CO.UK LTD
AS42853Pearson Education Ltd.
AS42880Hewlett Packard Limited
AS43367Interactive Web Solutions Ltd
AS44037COBBETTS LLP
AS48303Pannone LLP
AS48639Rentsmart ltd
AS51059Brightbox Systems Ltd
AS43408SecureData Europe Limited
AS43422Xchanging Global Insurance Solutions Limited
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AS43486Mizuho Securities USA
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AS8548Net Northwest
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AS43979Louis Capital Markets UK LLP
AS50286Link up Mitaka Limited
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AS44292SpinVox Ltd
AS44356Epsilon Telecommunications Ltd
AS443782ergo Ltd.
AS44403Bristol City Council
AS44437AHORRO CORPORACION
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AS49695My JobGroup Ltd
AS44671Skyline Networks & Consultancy Ltd
AS44791Audio Visual Machines Ltd
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AS47603Tptp Ltd
AS47622Datatech UK Ltd
AS47631Carter Allen PLC
AS47669365 Media Group
AS47738CTC KINGSHURST ACADEMY
AS47797ESSEX COUNTY COUNCIL
AS47856Delta Productions Ltd
AS47871Newsquest Media Group Ltd
AS47998Media Service Provider Ltd.
AS48003Wm Morrison Supermarkets Plc
AS48018MTB Computer Services Ltd
AS48070DSM (GB) Limited
AS48210Bonne Terre Ltd
AS48273essensys Ltd
AS48294Spectrum Internet Ltd
AS48325Birmingham Science Park Aston Ltd
AS48342Deloitte & Touche Irl
AS48375Tibra Trading Europe Limited
AS48404Basepoint Centres Ltd
AS48577The Chief Fire Officers Association
AS48632BTS Holdings PLC
AS48718LBM Direct Marketing Limited
AS48906ERGO Insurance Service GmbH
AS48954AIMES GRID SERVICES COMMUNITY INTEREST COMPANY
AS48992Core Education and Consulting Solutions (UK) Ltd
AS49049Bath North East Somerset Council
AS51048Next Connex Ltd.
AS49212REALE SEGUROS GENERALES
AS49324Nottingham City Council
AS51320Wirelesslogic Ltd
AS49487Zamir Telecom Limited
AS49525PARADOX ENGINEERING SAGL
AS49615Ardmore Construction Limited
AS49694Three X Managed Services
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AS49728Herefordshire Council
AS49765Comms365 Limited
AS49823Hastingwood Securities Ltd
AS49868ANITE BUSINESS SYSTEMS LTD
AS49928Prisacom S.A.
AS56474Computacenter Mid-Market Data Centres
AS50184Mesh Internet Ltd
AS50202Hiscox Underwriting Group Services LTD
AS50246360 Treasury Systems AG
AS50271MESPMOTA-ENGIL SERVICOS PARTILHADOS ADMINISTRATIVOS E DE GESTAO S.A.
AS50287Audatex (UK) Ltd
AS51553Telecom Plus PLC
AS50300Custodian Ltd.
AS5462Virgin Media Limited
AS8426ClaraNET LTD
AS50422Royal Bank of Scotland plc
AS50432Royal Bank of Scotland plc
AS50510Cancer Research UK
AS50743Commensus PLC
AS50746Britannic Technologies Ltd
AS50813PAY AND SHOP LIMITED
AS510054D Interactive Ltd
AS51439Chartis UK Services Ltd
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AS57850Northumbrian Water Ltd
AS8220COLT Technology Services Group Limited
AS8669Total Web Solutions Ltd
AS50910Mainstream Digital Ltd
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AS51063Fujitsu Telecommunications Europe Ltd
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AS51113Elekta
AS51222CMC MARKETS PLC
AS51551Updata Infrastructure (UK) Limited
AS51704South West Grid for Learning Trust Ltd.
AS51736Brit Group Services Limited
AS52063SystemIP Ltd
AS52220BAWAG P.S.K. Bank fuer Arbeit und Wirtschaft und Oesterreichische Postsparkasse Aktiengesellschaft
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AS5564Brightsolid Ltd
AS57099Boundless Communications Limited
AS57750NDS Group Ltd
AS6899Netstore Ltd UK now 2e2 Ltd
AS5600Total Connectivity Providers Ltd
AS56464Vibrant Media Ltd
AS56518PacketPipe Ltd.
AS58148Ironside Systems Ltd.
AS56640BAIN AND COMPANY INC. UNITED KINGDOM
AS5669Interoute Communications Limited
AS57403ORC Software AB
AS8844CI-Net Limited AS
AS8651Mitsubishi UFJ Securities International plc
AS9084Goldman Sachs International ULC
AS9115Internet Names For Business
AS8272Netscalibur UK Ltd
AS8276Roguepacket Networks
AS8356Neo-Tel Ltd.
AS8419Maxima Managed Services (Formerly: Hotchilli/DXI)
AS8468ENTANET International Limited
AS8546Your Communications Ltd
AS8607Timico Ltd
AS9142Netline UK Ltd
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AS12702Verizon Business EMEA - IPv6 only
AS12740OMX Technology AB
AS12787Mirror-Image Internet
AS13191netAxis
AS13207Caprock UK Limited
AS13258Centrica Plc
AS15375Commerzbank
AS15395UK Rackspace
AS15418Fasthosts Internet Ltd. Gloucester
AS15519Venda Limited
AS15572Betrusted
AS15635Yahoo! Europe
AS15654Civica UK Ltd.
AS15697BT Ignite Intercontinental Satellite Video Streaming
AS15740ABN AMRO
AS15769Deutsche Bank AG
AS15917CSC Computer Sciences Ltd
AS15951Dow Jones & Company
AS15961ATTENDA-UK
AS16096The Sporting Exchange Ltd
AS16162London Web Ltd
AS16174Intuitiv
AS16238Telecom2 Ltd.
AS16334Sureline Communications Limited
AS196839Virtual Universe LTD
AS196881Liberty-izone Ltd
AS196950The Carphone Warehouse Limited
AS197017NICEIC Group Ltd
AS197101Bellingham Telecoms Ltd
AS197122Affinion International Ltd
AS197282Wood Group Management Services Ltd
AS197651THE HUT.COM LIMITED
AS197782Freezone Internet Limited
AS197822Varidion Limited
AS197832Navisite
AS197872Electronic Arts Limited
AS197980Actimax Limited
AS198082Synetrix (Holdings) Limited
AS198136AGENCYPORT SOFTWARE EUROPE LTD
AS198294SCHNEIDER ELECTRIC INDUSTRIES SAS
AS198583VETORO UK LIMITED
AS198623iSumo Ltd
AS198723University of Reading
AS198781G3 Network Services Ltd
AS20617AS for BNP Paribas UK Ltd
AS20705HSBC Bank plc
AS20737GNI Trading AS
AS20878Atia Solutions Ltd
AS20944Grupo Ferrovial Network
AS21118Total Fina Elf Gas and Power Services London W1
AS21267Wavenet Limited
AS21301Royal Bank of Scotland plc
AS21327Hutchison 3G UK and Ireland Core AS
AS21346Vistorm Limited
AS24627GULFSATCOMMUNICATIONS COMPANY K.S.C.
AS24650Charles Stanley & Co Ltd
AS24673Firstserv Limited
AS24677Taylor Nelson Sofres
AS24716Interdirect Limited
AS25022TDM Group Limited
AS25028AS for Igroup
AS25135Vodafone Limited
AS25168Mitsui & Co UK Plc
AS25259AS for Glopeop Financial Services
AS25346Tiscali UK Ltd
AS2535BP America
AS25421John Lewis Plc.
AS25426BRAINTEC AS
AS25470Scottish and Southern Energy
AS2868The JNT Association
AS28695TraderMedia Ltd
AS28729AS for Ford Motor Company Ltd
AS28786Endava MS Formerly Internetworking Strategies
AS28816Abel Internet
AS28819E-COMMERA LIMITED
AS28837Vox Mundi LLC.
AS28863Thales Transport and Security Ltd
AS28914Cloud9 Communications Ltd
AS28934Mizuho International PLC
AS29019Hemscott plc
AS29054NSE Global ASN
AS29120AS for Rowe and Maw
AS29197ASN for Nomura
AS29207Shire Pharmceuticals Group PLC UK
AS29265DNS Europe Ltd
AS29400Tullett Liberty
AS29480CC Networks
AS29606Borwood UK Network
AS29646FFastfill UK Limited
AS29669GE Medical Systems Societe en Commandite Simple
AS30756AS For Cendant Group
AS30864Pan-European electronic payment solutions provider
AS30943Utransit International Carrier Limited
AS31015Hill and Knowlton
AS31151Performance Horizon Group LTD
AS31198Telenor UK Ltd
AS31223EA Games
AS31300FT Internet operations
AS31345Internet-Technologies and Systems
AS31426Vision Internet Network
AS31453Lothlorien Consulting Ltd
AS31667Soundmouse LTD
AS3328KCOM Group PLC
AS33921Lebara limited
AS34010Yahoo! Europe
AS34082Yahoo! Europe
AS34164Akamai Technlogies LON ASN
AS34286Aberdeen Journals Ltd
AS34407WAVECREST
AS34437Callserve Communications
AS34697Emerson
AS34737QinetiQ Ltd
AS34745TeleWare plc - AS number
AS34799ISP "Colibri"
AS34930BAA Airports Ltd
AS34933SKY TELECOM AG
AS35017SWIFTWAY
AS35289FTIP002613093 Veritas Software Ltd
AS35544Splendor (UK) Ltd
AS35545Badoo Technologies Limited
AS356708el AS Number
AS35716Merseyrail Electrics 2002 Ltd
AS35791Viastar AS number
AS35831Vnetrix Ltd
AS38936Herman Miller LTD AS Number
AS38966IntraLAN Group PLC
AS38974MediaRing (Europe) Ltd.
AS39097Azzurri Communications Ltd
AS39139Menzies Aviation Plc
AS39717Polestar Interactive Ltd
AS39733Talk24 Ltd.
AS39846Onega Ltd
AS40968Professional Protection Electronic Ltd.
AS41107Backbone Connect Ltd
AS41174Electronic Arts Limited
AS41276Payment Trust Limited
AS41321Fujitsu Technology Solutions GmbH
AS41367Production Services Network (PSN)
AS41383Wolseley UK Limited
AS41393Nasstar Limited
AS41433Research In Motion
AS41493BATS Trading Ltd.
AS41553Reed Managed Services Ltd.
AS41596Willis Group Services Ltd
AS41614TeleDesign Solutions Ltd
AS41840National Grid Plc
AS41963Moneysupermarket.com Ltd.
AS42046Independent Television News Limited
AS42129Serverstream Ltd
AS42179ACCELERATE4 ASN
AS42342First Data Corporation
AS42370C2C Limited
AS42565GTT - EMEA Ltd.
AS42705Talia provides VSAT network and hosting services worldwide.
AS42733Sirec Technologies Limited
AS42761Brinks Ltd
AS42875National Car Parks
AS42944Ticketmaster UK Ltd
AS42958Senior Internet Ltd.
AS43041Plan Ltd
AS43255FINANCIAL SECURITY ASSURANCE UK LTD
AS43313Miniclip SA.
AS43338Rational Services Ltd
AS43383AlwaysON Ltd
AS43424PROCEAU SARL
AS43428Yahoo! Europe
AS43519NOMINET UK
AS43664Thermeon Worldwide Plc
AS43827Environement Agency
AS43835NCC Group Plc
AS44076Mysupermarket Limited
AS44159Lawyers On Line Ltd
AS44251DataComms Europe Ltd
AS44422Wavex Technology Ltd
AS44474Schneider Trading Associates Ltd
AS44557Dragonara Alliance Ltd
AS44745Fidessa PLC
AS44782FXCM Securities Limited
AS44822Syncsort Inc
AS4489124 Seven Communications Ltd
AS44972Cobbett Hill Earth Station Limited
AS45028Barefruit Ltd
AS47121Sensemakers B.V.
AS47296HiFX PLC
AS47426Advitel Ltd
AS47443Velocity1 Limited
AS47523Heidmar UK Ltd
AS47540Tarainform Limited
AS47563Satellite Information Services Ltd
AS47712Velocix Limited
AS47716CorpoLink Ltd.
AS47744Xtend Solutions Ltd
AS47892FTEN Inc
AS47906Attenda Ltd
AS47971Hillside (New Media) Limited
AS48083Getronics UK Limited
AS48214Phorm UK Inc
AS48389Robeco AS Number
AS48397Unipart Group Limited
AS48591Ipreo Ltd
AS48596SAC Global Investors LLP
AS48660Ultra Communications Ltd
AS48686Solstice Technology Ltd
AS48771Semantico Ltd
AS48885Neocarrier Communications
AS48910InterNAP Network Services U.K. Limited
AS48935Automat Limited
AS48945Independent Fibre Networks Limited
AS48967BATS Trading Limited
AS48989Risk Management Solutions Ltd
AS48993Department 7 Limited
AS49209China Telecom (Europe) Ltd
AS49229Eison Ltd
AS49356IT&T-E LTD
AS49546Voicetec Sys Limited
AS49657Transaction Network Services (UK) LTD
AS49751Internet For Everything Ltd.
AS49758Lloyds Banking Group PLC
AS49933Tech Hosting Ltd
AS49937Interactive Sports (C.I.) Limited
AS49999Stonebridge Software Ltd 16-bit AS
AS50456Gage Networks LLP
AS50500ALICAP SOLUTIONS LTD
AS50598Datagate Network Solutions Ltd.
AS50632nU Colocation
AS50648PE UAinet
AS50756River Island Clothing Co. Ltd
AS50764The London Organizing Committee of the Olympic Games Limited
AS50833Fiber Telecom Ltd
AS50932Mesh Digital
AS51006ZEN Network Technologies Ltd
AS51329CONNECTION NETWORKS L.P.
AS51332CONNECTION NETWORKS L.P.
AS51479CONNECTION NETWORKS L.P.
AS51498CONNECTION NETWORKS L.P.
AS51720Fujitsu Technology Solutions GmbH
AS51818Genus PLC
AS51823Microtalk Telecommunications Limited
AS51845Waterstons Limited
AS51946University of Newcastle upon Tyne
AS51965Monecor (London) Ltd
AS51999AdultEUhost Ltd
AS52076AlgoSpan Limited
AS52221Vibe Communications UK Ltd
AS53335BlueCrest Capital Management LP
AS5551Cable & Wireless UK P.U.C.
AS5586MCI International (Europe and North Africa)
AS5587Legend Communications plc.
AS5596T-Mobile Hungary Telecommunications Company Limited by Shares
AS56325DIOGELO LTD.
AS56396Turn Europe (UK) Ltd.
AS56565Manor IT (UK) Limited
AS56775LADBROKES IT & SHARED SERVICES LIMITED
AS57156ANS Group Plc
AS57408Reed Smith LLP
AS57511OvalTech Internet Ltd.
AS57586VENSERVE VENTURES LLP
AS57624Beeks Trading Corporation Ltd
AS57652London Telecom Exchange LTD
AS57668Santrex Internet Services Ltd.
AS57669DediPower Managed Hosting Limited
AS57894Incon Limited
AS57935NEXON Europe S.A.R.L.
AS58144THE STREAMING COMPANY.COM LIMITED
AS58226Pearson Harper Ltd
AS6660Cable & Wireless UK P.U.C.
AS6838The Flirble Internet Exchange
AS6859KCPweb
AS8266Nexus Telecommunications Ltd
AS8296H Bauer Publishing Ltd
AS8718Datastream International
AS8987Amazon Data Services Ireland Ltd
AS9161Poundbury Systems Ltd.
AS9194MCI WorldCom Advanced Networks
Visualizing IPv4 & IPv6 routing within the UK
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 14
Caveat: Not all links will show within these graphs
IPv6
AS12290Exonetric Consulting Ltd
AS12295Professional Telecommunications Ltd.
AS12390KCOM Group Public Limited Company
AS12433Orbtalk Limited
AS12496Infinity Developments Limited
AS31708Coreix Limited
AS44684Mythic Beasts Ltd
AS12513Eclipse Internet
AS12519FastNet International Ltd.
AS12536EDGE-IX ASN
AS12576Orange Personal Communications Services
AS12583Stanley UK Services Ltd
AS126211A Networks Limited
AS12628Jaco Engelbrecht
AS12658Dexterity Networks Limited
AS12678Badoo Limited
AS12701Barclays Bank plc
AS12703Pulsant (Scotland) Ltd
AS15379Flexiant Ltd
AS20712Andrews and Arnold Ltd
AS29550Simply Transit Ltd
AS41489Watchfront Limited
AS44574A4N
AS49026Volume Limited
AS12707Caberfeidh (UK) Ltd
AS12708TalkTalk Communications Limited
AS12775The JPCINET
AS12789Associated Newspapers Limited
AS12855Houxou Ltd
AS12870Arrowhead Systems Ltd
AS12884DRW Investments (UK) Limited
AS12885Arbinet-thexchange Limited
AS13005C2 Internet ASN
AS13009InTechnology Plc
AS13037Zen Internet Ltd
AS13076Virgin Media Limited
AS13114Nationwide Building Society
AS13122MANX-TELECOM
AS13126Mach6
AS13173Foreshore Limited
AS13208Newtel Ltd
AS13213UK-2 Ltd
AS51561ICUK Computing Services Limited
AS13216Itex Guernsey Ltd
AS13285TalkTalk Communications Limited
AS15412Flag Telecom Global Internet AS
AS15421Internap European
AS15429DIGEX UK
AS15431Daisy Communications Ltd
AS15444Netservices Plc
AS15463Network-i Limited
AS15510Compuweb Communications Services Limited
AS15533SunGard Availability Services (UK) Ltd
AS15542ZeelandNet BV
AS15568European Bank for Reconstruction & Development
AS15570Internap European
AS50393SUMITOMO MITSUI BANKING CORPORATION EUROPE LTD
AS15601Baring asset Management 155 Bishopsgate London UK
AS15641Arqiva Communications Ltd
AS15653NetSumo AS Number
AS15676Voxeo UK block from Global Crossing
AS15677MBA Systems
AS15689Advanced IT Services Nottingham LTD
AS15692Razorblue Ltd
AS15724Cofunds Ltd
AS15766Domicilium (IOM) Limited
AS15768WorldPay Limited
AS15770Derwentside District Council
AS15773ABS Telecom Limited
AS15786Callserve Communications Limited
AS15830TELECITYGROUP INTERNATIONAL LIMITED
AS24742APAK Group Limited
AS39757The UK Grid Network Ltd
AS8683Nominet UK
AS15839Athene Internet/Cobweb Solutions Network
AS15845Computers In The City
AS15865Elliott Advisors UK Network
AS15914British Airways plc
AS15957Web Technology Group
AS15977Pershing Ltd
AS15988Akhter Computers Ltd.
AS15989NYSE TECHNOLOGIES LIMITED
AS15992Visa International
AS15998Specific Media UK
AS16036Thomson Financial
AS16050Reuters Docklands resiliancy
AS16082Spitfire Network Services
AS16085Infobolsa Spanish Network
AS16164Sohonet Limited
AS5555Sohonet Limited
AS16166WorldPay Limited
AS16197Tollon
AS16260GTT - EMEA Ltd.
AS16282Allied Irish Banks Plc
AS16293Intercea UK AS number
AS16303IPSwitch Networks Ltd
AS16315Absolute Clarity Limited
AS16339Virtual Internet (UK) Ltd
AS16351Juno Records Ltd.
AS16353Merula Limited
AS163627 Global Systems Limited
AS196628Eurolink Telecom Ltd
AS196656Bayberry Rue Ltd
AS196671Little Owl Computer Services Limited
AS196720deCarta Limited
AS196722SCHWEIZERISCHE NATIONALBANK
AS196745Datacenta Hosting Ltd
AS196778Transport for London
AS196809FremantleMedia Ltd
AS196875Modrus Ltd
AS196902Dudley Metropolitan Borough Council
AS196904N.E. Services Ltd
AS196933Atlas Interactive Group Ltd.
AS196942Digital Distribution Networks Ltd
AS196962Cupid plc
AS196981London Borough of Brent Council
AS196990Shawbrook Bank Limited
AS197039Nomura International Plc
AS197085Sykes Global Services Ltd
AS197104Gentoo Group LIMITED
AS197107Blue Chip Customer Engineering Ltd
AS197182The Briars Group ltd
AS197239Ashridge (Bonar Law Memorial) Trust
AS197320National Pharmacy Association Ltd
AS197338Societe Generale Securities Services UK Limited
AS197342AePONA Ltd.
AS197370Nottinghamshire County Council
AS197407China Unicom (Europe) Operations Ltd
AS197409Co-operative Group (CWS) Limited
AS197419The International Institute For Strategic Studies
AS197463Crossflight Ltd
AS197529Emizon Networks Limited
AS197568Cardif Pinnacle Insurance Management Services PLC
AS197591Intercept IT Limited
AS197594Redstor Limited
AS197666Beaver-Visitec International
AS197669Synety Ltd
AS197852Renaissance Capital Services Ltd
AS197913CCPG Solutions Ltd
AS197972AGENCYPORT SOFTWARE EUROPE LTD
AS198032Cambridge Assessment
AS198037First Rate FX Limited
AS198046Scott Logic Ltd
AS198047UK Webhosting Ltd
AS198071ZBI Europe LLC
AS198079Delcam PLC
AS198142Warrington Borough Council
AS198154Connections North West Ltd
AS198189Crown Office and Procurator Fiscal Service
AS198222West Herts College
AS198236TSOne Ltd
AS50419Appstal Limited
AS198276Kroll Ontrack Legal Technologies
AS198299Kooljett Limited
AS198300Forth Electrical Services Ltd
AS198312Spectra Group (uk) Ltd
AS198313SystemHOST Limited
AS198328Trayport Limited
AS198353Mimeo Limited
AS198362HELIACAL NETWORKS LTD
AS1983821st Easy Limited
AS198386ONI plc
AS198426FIBRESTREAM LIMITED
AS198440M12 Solutions Ltd
AS198536Safe Financials LTD
AS198554DXI Limited
AS198567ED & F MAN CAPITAL MARKETS LIMITED
AS198719Intelliworkspace Ltd
AS198722TXRX Communications Ltd
AS198753Excell Group PLC
AS198756Easy Connect Limited
AS198801Your Housing Group Ltd
AS198850Hogarth Worldwide Limited
AS198863Cambridge University Press (Holdings) Limited
AS198883YAMMER EUROPE LIMITED
AS199032Call27 Limited
AS199066Data8 Limited
AS20500Griffin Information Systems Limited
AS42383Griffin Information Systems Limited
AS20505Legal & General Investment Management Holdings Ltd
AS20547Six Degrees Managed Data Limited
AS25588Ultraspeed - Main UK Network
AS28673Internet Technology Products
AS45019SquareCows Limited
AS49962zero.net.uk Ltd
AS20577Tradeweb Europe Ltd
AS20610Northcliffe Media Limited
AS20629BIS Ltd
AS20652Unitron Systems & Development LTD
AS20679hSo: broadband internet
AS20695Capital One Bank (Europe) plc
AS20738Webfusion Internet Solutions
AS20782ZebraHosts LTD
AS20799Datanet.co.uk Ltd
AS20860Iomart
AS20923Skymarket UK ISP
AS20927Addison Lee
AS20941Zen Internet Ltd
AS20952VENUS BUSINESS COMMUNICATIONS LIMITED
AS20955ProQuest Information and Learning Limited
AS20976Domainmaster Ltd.
AS20990Commerzbank
AS20998SDL International PLC
AS21011"TOP NET" PJSC
AS21054RBSG Internet operations
AS21055Axamba Limited T/As Web Tapestry
AS21076BTA Ltd
AS21077SCC Internet Services (Formally ISP4Business)
AS21099Game Stores Group Ltd
AS21110Ladbrokes Limited
AS21130Iomart
AS21160Markel International Services Ltd
AS21177Definite Software Ltd
AS21188Unilever PLC
AS21206Polar Computer Communications Limited
AS21208YOUNG AND RUBICAM SL
AS21218Smartways
AS21233C2 Direct Transit AS
AS21260The Positive Internet Company Ltd
AS21296PricewaterhouseCoopers LLP
AS21321Areti Internet Ltd.
AS21345MessageLabs
AS21356GTT - EMEA Ltd.
AS21369SchlumbergerSema
AS21371Equinix UK
AS24916OrbitalNet Ltd
AS24990Equinix France
AS29006POBOX Hosting Limited
AS30914AS for ioko365 Ltd
AS31084Magrathea Telecommunications Limited
AS31715NetrinoUK Ltd
AS31727Node4 Ltd
AS3213Bogons Ltd
AS33941Gconnect
AS41811Convergence Group Limited
AS42973Metronet (UK) Limited
AS43599North West Electronics
AS44980Cairney Network
AS50173Vtesse Networks Limited
AS5400British Telecommunications plc
AS8613ICM NetServ Ltd
AS8676PRT Systems Ltd
AS9153Burstfire Networks Limited
AS21396NetConnex Broadband Ltd. - London
AS42909Internet Computer Bureau Ltd
AS8916Portfast Ltd
AS21422Connect internet Solutions Limited
AS21423Komax Holding
AS21431Telehouse multihomed network
AS21433Accenture UK Limited
AS21439Morgan Stanley
AS21448Netserve Consultants LTD
AS21459Business Systems Group LTD
AS21464EDF Trading
AS21470South West Communications Group Ltd
AS21472ServerHouse Ltd
AS24591i2 Networks Ltd
AS24594Frontier Systems Ltd.
AS24661MDS Technologies Ltd - Corsham
AS24720Avensys Networks Ltd
AS24775QinetiQ Ltd
AS24778DataPipe Europe
AS24851Netcetera Peers
AS24865Keith Mitchell
AS24867Adapt Services Ltd
AS24887Lone Pine Capital (UK) Limited AS London
AS24894Tag Europe Ltd
AS24910HIGHBRIDGE LONDON
AS24931DediPower Managed Hosting Limited
AS24949Btcml AXA
AS24958The Bunker Secure Hosting Limited
AS24976Techgate PLC
AS24989Equinix Germany (Previously IX Europe Germany AS)
AS25006Abbey National Trading Services PLC
AS25026Vio Worldwide Ltd
AS25040I.T. Consultancy Limited
AS25048DSNet Hosting Limited
AS25049STASCo
AS25050BACS Ltd AS
AS25061Associated Networks Limited
AS41113Pseudo Networks Limited
AS25098Low Cost Host Ltd
AS25127BTopenworld Broadband & Narrowband networks located in the UK
AS25160Vorboss Limited
AS50763MCKAYCOM LTD
AS25178Keycom PLC
AS25180Exponential-e Ltd
AS41951GlobecastUK Ltd
AS25218The Economist resiliancy
AS25310Cable and Wireless Access Ltd
AS25320Skypower AS Number
AS25327FTSE-International Ltd.
AS25369Bandwith Technologies Ltd
AS25376Netnorth Limited
AS57672Daniel James Austin
AS25460The Networking People (NorthWest) Limited
AS25464Routo Telecom European
AS25492Mr Site Ltd
AS25501TUXTEL Ltd
AS25546Brookland Computer Services Limited
AS25547Intuit Maidenhead
AS25562Sony Computer Entertainment Europe (SCEE)
AS25577Connexions4London Ltd
AS39674Solutios Limited
AS43950Spilsby Internet Solutions
AS47999Transversal Corporation Ltd's AS Number
AS49503Cloud Data Ltd
AS50888Minotaur IT Limited
AS25582LINIX Ltd
AS25585Kencomp Internet LTD
AS25587MoneyAM Ltd
AS2589Wanstor Ltd
AS2818BBC Internet Services
AS2830Verizon Nederland B.V.
AS2856BTnet UK Regional network
AS28687KBC Investments Limited
AS28688WPP Group Technology Services
AS28690ING DIRECT UK N.V.
AS28697Nitrex primary AS number
AS28705Cybase Limited
AS28757Scotnet
AS28780The PCMS Group Plc
AS28782Vistorm Ltd Secondary AS
AS28792Public Internet Ltd
AS28846Carlton Television Birmingham UK
AS28861Carr Futures Inc London
AS28939AS for ARM Ltd
AS28959AS for Vitol Group
AS28986Loud-n-Clear Ltd.
AS29009UK Wireless Broadband Network
AS29016Pearson Shared Services Ltd
AS29017Gyron Internet Ltd
AS39545Fluidata Ltd
AS29026Charles Taylor Consulting PLC
AS29033Eckoh UK Limited
AS29045IT Action Limited
AS29129Vispa Internet Limited
AS29131RapidSwitch
AS29164Titan Internet Ltd
AS29212Synetrix Ltd.
AS29214HOUSES OF PARLIAMENT
AS29219SEMTEC Limited
AS29295Northgate Information Solutions UK Limited
AS29297Linkconnect services Ltd
AS29328T-Mobile (UK) Limited
AS29444Reflex Internet
AS29446ChunkyChips.net Limited
AS29452Secura Hosting Ltd
AS29457Options Technology Ltd.
AS29474Ghoti Limited
AS29527Othello Technology Systems Limited
AS56673ZEDELEVEN Ltd
AS29575AS for London Stock Exchange
AS29611Elite Limited
AS29626Staffordshire County Council
AS29631O-Bit Telecom Limited
AS29664Reliance Globalcom Ltd. (formerly Vanco Ltd)
AS29668Qube Managed Services Limited
AS29676Gradwell dot com Limited
AS30740Exa Networks Limited
AS52200M5 Limited
AS30746NUQE Ltd
AS30769The Berkeley Group plc
AS30803Trident Net
AS30805Digital Brain plc
AS30827Xtraordinary Networks Ltd.
AS30837CDMS Ltd.
AS30844Liquid Telecommunications Backbone
AS30847Lancaster University Network Services Limited
AS30894Mblox Ltd
AS30909FastVision Limited
AS30930Life Science Communications - Scientific publishing
AS30931IG Index PLC
AS30933KDA Web Services Ltd. / AS30933.net
AS30949Exponential-E Ltd.
AS30967Software Cellular Network Ltd
AS30969Zimbabwe OnLine (Private) Ltd.
AS31003Iron Mountain UK Ltd
AS31021Dialogue Communications Ltd
AS31048Digital Evolutions Ltd
AS31128Shazam Entertainment Ltd
AS31156The Energy Savings Trust
AS31170Knowledge Ltd TA Nexent
AS31220Carrenza Ltd
AS31256Warwickshire County Council
AS31270Fusion Media Networks Ltd
AS31273Bisnet Ltd Main AS Number
AS31290Daisy Wholesale Limited
AS31392Phoenix Venture Holdings Ltd
AS31398NEC Europe Ltd
AS31402BlueSquare AS
AS31404LYCATEL DISTRIBUTION UK LIMITED
AS31422AS for Aon UK
AS31459BBC
AS314634D Data Centres Ltd
AS56730Wirehive Limited
AS31472VoiceHost Ltd
AS31474MTV Networks Europe
AS31487VarTec Telecom UK Ltd
AS314932020Media.net.uk AS31493
AS31509W2 Networking Ltd
AS31515Inmarsat
AS31523Laterooms AS
AS31532Hestview Limited
AS31535IDESTA Solutions limited network
AS31562OpenMarket Limited
AS31565Symantec Limited
AS31595AwellConnected.Com
AS31632OAG WorldWide Limited
AS31637WPP Group Technology Services
AS31640City LifeLine AS
AS31641Bytel Ltd
AS31648Crucial Systems Ltd
AS31655Gamma Telecom AS
AS31659Below Zero Scotland
AS31665Invesco UK Ltd.
AS31672Control Circle Ltd
AS31712Gigastream plc
AS41659Robert Bentley t/a Synergyworks Internet
AS58117Swordfish Hosting Limited
AS31742Sotaconnect Network
AS31743Interpublic GIS (UK) Ltd
AS3206AF Blakemore & Son Ltd
AS42689Cablecom Networking Limited
AS3344Burstfire Networks Limited
AS33820Reed Elsevier
AS33854Host-It Internet Solutions Datacentre
AS33859The Portal Partnership Ltd.
AS33860Garban Intercapital
AS33879Forth Ports Public Limited Company
AS33920(aq) Networks Limited
AS33953Experian International Ltd
AS33967Lancashire County Council
AS33968Internet Engineering Limited Main AS
AS33970M247 Ltd
AS33981Total System Services Processing Europe Limited
AS34007Proquote Ltd
AS34013Maznet Ltd
AS34026Bucks Net Services Ltd
AS34041The British Medical Association
AS34066TelAppliant Ltd.
AS34079Eduserv Internet UK
AS34099Road Tech Computer Systems
AS34119Wildcard UK Ltd
AS34134FreeClix LIMITED
AS34243Web Age Ltd London AS
AS34253WPP Group plc
AS34270Internet Connections Ltd
AS35838CCANet Limited
AS34282UKNOC AS
AS34294Accenture SL
AS34344The Port Of Tilbury London Ltd
AS34350Man Investments Limited
AS34401EMI Group Limited
AS34442AS-XIFOS
AS56438Loop Scorpio main AS
AS34523Webroot Services Ltd
AS34539Servelocity Ltd
AS34555C.C.S. (Leeds) Ltd
AS34587Hillside (New Media) Limited
AS34623Othello Technology Systems Limited
AS34632Ariel Communications Ltd
AS34649HOST365 LIMITED
AS34654Ionic Information Limited
AS34657TAWA MANAGEMENT LTD
AS34660Idaq Ltd
AS34670Coreware Ltd
AS34675Prima Internet Holdings Limited
AS34689IP Infrastructures Ltd
AS34706Rack Sense Ltd
AS34716ANIX Limited Hosting
AS34728Cinven Services
AS34746Eaton Kaye Ltd
AS34790Waveworks Internet Network
AS34811Aspire Internet Ltd
AS34816AEG Europe
AS34830FCP Internet LTD
AS34861Informatica Software Ltd.
AS34914Syntec LTD
AS34931Awareness Software Limited
AS34934UKFast.Net Ltd
AS34967DRD Communication Plc
AS34988English Welsh and Scottish Railways
AS35028Multiplay AS Number
AS35045Opera Telecom Birmingham
AS35049Qualcomm Inc AS
AS35072Serco and Solutions AS
AS35082Vibus Limited Main AS
AS35089WB Internet Limited
AS35180Hosted IP Communications Ltd
AS35200OJSC Central telegraph
AS35228Avatar Broadband Limited
AS35259APM Internet UK Network
AS352624L Communications Ltd
AS35299Classroom 2000
AS35327Naglotech AS Number
AS35399Online50 Limited
AS35405Macquarie Bank internet network European AS number
AS35414European Medicines Agency
AS35425Bytemark Computer Consulting Ltd
AS41495Faelix Limited
AS35452CIMS Lon UK
AS35456Fubra Limited
AS35551Assimisis
AS35559Someaddress Networks
AS35575Vaioni Group AS
AS35650TelNG Ltd
AS35662Redstation Limited
AS35707AS for Scottish Power PLC
AS35732UK Webhosting Ltd -
AS35736ORANGE HOME UK PLC
AS35788Websense Hosted Security Network
AS35799Known Future Ltd
AS35801Lion Re:Sources UK Ltd
AS35822CEGER
AS35825Guardian News and Media AS
AS35826Netservers Limited
AS35832Birmingham Grid for Learning AS
AS39060Sainsbury's Supermarkets Ltd
AS39089anker
AS39116Telehouse Inter. Corp. of Europe Ltd As Number
AS39118Earthgazer ASN
AS39152intY Ltd
AS39179Modrus Ltd
AS39202GCap Media plc
AS39208NexByte Ltd
AS39295SWITCH IP LTD
AS39313AS number for WebTrends
AS39326Goscomb Technologies Limited
AS41000Freethought Internet
AS44801Direct Technical Ltd
AS47227Charles Briscoe-Smith trading as Servology
AS49793LMP Technical Services Ltd AS
AS51918Cerberus Networks Ltd
AS56745Kalnet4u Ltd
AS8330LONAP Ltd
AS8928Interoute Communications Limited
AS39332ServerForce Ltd - Main AS
AS39341Acxiom Ltd
AS39356Avanti Broadband Ltd.
AS39361Intuitive IT Ltd
AS39400London Borough of Hackney AS Number
AS39414Bytefetch Ltd
AS39451Melbourne Server Hosting Ltd
AS39458Real Hosts Limited
AS39461EDF Energy Nuclear Generation Group Ltd
AS39470ATRIUM NETWORK
AS39477Mundio Mobile Ltd
AS39485David and Joe Ltd
AS39520MCP ASN
AS39522Converged Communication Solutions Limited
AS39537Hub Network Services Ltd
AS48620Beaming Ltd
AS56460Telefonica UK Limited
AS39550KPMG UK LLP
AS39592IGX0 - Managed Internet Services
AS39602No Wires
AS39609Multicom Products Ltd
AS39610LCH Clearnet
AS39617Chris Burton t/a 8086 Consultancy
AS39620s2s Uk Ltd
AS39621Stream UK Media Services Limited
AS39627British Sky Broadcasting Limited
AS39633Ipitomi Limited
AS39779Mesh Digital Ltd
AS39782MF Global CP
AS39801Leeds City Council
AS39849ProTX Ltd
AS39875Zycomm Electronics Limited
AS39884Inet Telecoms Ltd
AS39917PKR Technologies Ltd
AS39925Optinium Ltd
AS40986Yahoo! Europe
AS40992Marex Financial Ltd
AS41012The Cloud Networks Limited
AS41021Ebuyer UK Limited
AS41029Ebuyer (UK) Limited
AS41051Worksunit
AS41103ClearIP Ltd
AS41203Geopost UK
AS41230Ask4 Limited
AS41231Canonical Ltd
AS41246Electronic Media Services Ltd.
AS41342Durrants-Press-Cuttings-NET
AS4135734SP.com Ltd.
AS41362Brightgrey ltd
AS41373N3 Service provider
AS41380Ald Automotive Ltd
AS41400USIC Internet Services Ltd
AS41448Future Publishing Ltd
AS41477London Multi-Asset Exchange
AS42009AVR Group Limited
AS41532Barclays Bank plc
AS41548Medway Council
AS41570Services Sound and Vision Corporation
AS41593Unit Vector Ltd.
AS41595Content and Code Ltd
AS41613East Sussex County Council
AS41653Aqua Ray SAS
AS41678The Internet Business Ltd
AS41695Vostron Ltd
AS41751Ocado Ltd
AS41759Fry IT Ltd.
AS41769Voicenet Solutions Limited
AS41793On-Communications Ltd
AS41813Axill Europe Ltd.
AS41830Fitzpatrick Ltd
AS41847Daniel O'Mahony
AS41866Interfax Inc
AS41909Hometrack Data Systems Ltd
AS41919Genesys Laboratories UK
AS41936Colt Group Ltd.
AS41968Serversure Ltd.
AS41977AS for Fluent LTD
AS41988AGE UK Enterprises
AS42004Information Technology Un Limited
AS42010ITPS Ltd
AS42040Crosspoint Colocation And Hosting Limited
AS42077Micro-Business Maintenance Ltd
AS42228BrightStar Ltd.
AS42262Dynmark International Limited
AS42284Cameron
AS42332The Software Connection Limited
AS42344Concept Coders Ltd
AS42353Simwood eSMS Limited
AS42356France Television
AS42359The Football Association Ltd.
AS42369LBI Ltd
AS42382Lightwood Consultancy Ltd
AS42436Consumers Association Ltd
AS42465Websense Hosted Security - Anycast network
AS42466Meteoric Ltd
AS42479Kroll Ltd
AS42536Deloitte & Touche LLP - UK Infrastructure
AS42537AutoOnline GMBH
AS42579Comtec Enterprises Ltd
AS42584London Capital Group Limited
AS42592Thomas Cook UK Limited
AS42633Deloitte Touche Tohmatsu Services Inc
AS42634Stoke-on-Trent City Council
AS42663GLG Partners LP
AS42724Terrapinn Holdings Ltd
AS42831UK Dedicated Servers Limited
AS42853Pearson Education Ltd.
AS42880Hewlett Packard Limited
AS51059Brightbox Systems Ltd
AS43013York Data Services Limited
AS43014Kirkland & Ellis International
AS43057Dimasoft Ltd
AS43198Outsourcery Hosting LTD
AS43234TalkTalk Communications Limited
AS43251Websense Inc Reading
AS43280Gordian Knot Limited
AS43298Sequence Collective Ltd
AS43323Playout 247 Ltd
AS43328Nation Wilcox Associates
AS43367Interactive Web Solutions Ltd
AS43392Bluebay Asset Management Plc
AS43408SecureData Europe Limited
AS43422Xchanging Global Insurance Solutions Limited
AS43436Groupe LE FIGARO
AS43486Mizuho Securities USA
AS43520Meytel Publicidad S.L.
AS43531IX Reach Ltd
AS5459London Internet Exchange Ltd.
AS43532Alpari (UK) Limited
AS43534CreditCall Ltd
AS43539Digital Region Broadband South Yorkshire Ltd.
AS43545Teledata UK Limited
AS43551AMT DataTechnologies Limited
AS43584Maytech Communications Ltd
AS43620Syan Limited Hosting
AS43838Education Bradford
AS43884EG Information Consulting Ltd
AS43949Marsh & McLennan Companies
AS43979Louis Capital Markets UK LLP
AS44008Royal Borough of Kensington & Chelsea
AS44009Sleek Networks Ltd
AS44037COBBETTS LLP
AS44052Press Computer Systems Ltd
AS44114Air New Zealand Limited
AS44226Acturis Ltd
AS44268JCB Excavators Ltd
AS44292SpinVox Ltd
AS44305The Cloud Computing Centre Ltd.
AS44314ITsynergy Ltd
AS44356Epsilon Telecommunications Ltd
AS44366Datacash Group PLC
AS44369EMBC PROCUREMENT LIMITED
AS44371PayPoint Network Ltd
AS443782ergo Ltd.
AS44402GFI Holdings Limted
AS44403Bristol City Council
AS44409WEST16 AS NUMBER
AS44437AHORRO CORPORACION
AS44442The Borough of Telford and Wrekin Council
AS44480Brevan Howard Asset Management LLP
AS44481Professional Data Management Services Limited
AS44516Setfire Media Ltd
AS44521Jagex Limited
AS44548CMC Markets Plc
AS44568OpSource
AS44611Talk Internet
AS44646Gamesys Ltd
AS44671Skyline Networks & Consultancy Ltd
AS44697C3 Ltd
AS44791Audio Visual Machines Ltd
AS44824Callagenix Limited
AS44829MSCI Barra SA
AS44931TNTExpressICS
AS44934Arachsys Internet Services Ltd
AS44947Nativ-Systems AS
AS44948LAST.FM LTD
AS44965Contactual Inc.
AS44971GOETEC Limited
AS45014Nuco Technologies Ltd
AS50191Darkstudios Network Solutions
AS47113SLP Core WAN
AS47130Verlagsgruppe NEWS GmbH
AS47143Todayhost Limited
AS47163Ingenico (UK) Limited
AS47264Ping Networks Limited
AS47351REDtechnology.com
AS47367Torbay Economic Development Company Limited
AS47393WPP Group Technology Service
AS47400Bank Sal. Oppenheim jr. & Cie (Schweiz) AG
AS47449Snow Valley Limited
AS47474Virtual1
AS47480Blue Tiger Solutions Limited
AS47484FCP Internet LTD
AS47514COMPU-MARK
AS47534VocaLink Ltd
AS47535Javelin Broadband Ltd
AS47539Microgen Management Services Limited
AS47549Hosting Systems Ltd
AS47571Digital Craftsmen Ltd.
AS47572Ticketmaster UK Ltd
AS47603Tptp Ltd
AS47622Datatech UK Ltd
AS47625Paul David Hughes trading as Hosting Systems
AS47631Carter Allen PLC
AS47669365 Media Group
AS47671Continuum Hosting Limited
AS47691Internet Technology Ltd
AS47738CTC KINGSHURST ACADEMY
AS47762Magnetic North Software Ltd
AS47797ESSEX COUNTY COUNCIL
AS47813Semantico Ltd
AS47856Delta Productions Ltd
AS47871Newsquest Media Group Ltd
AS47933Commidea LTD
AS47978McKesson Information Solutions UK Ltd
AS47998Media Service Provider Ltd.
AS48003Wm Morrison Supermarkets Plc
AS48018MTB Computer Services Ltd
AS48070DSM (GB) Limited
AS48071Northcote Internet Limited
AS48077Zix Corporation
AS48177Finsoft Ltd.
AS48182WRN Ltd
AS48210Bonne Terre Ltd
AS48231Thinkgrid Ltd.
AS48273essensys Ltd
AS48294Spectrum Internet Ltd
AS48303Pannone LLP
AS48325Birmingham Science Park Aston Ltd
AS48342Deloitte & Touche Irl
AS48375Tibra Trading Europe Limited
AS48404Basepoint Centres Ltd
AS48447Comodo CA Ltd
AS48449CANTILLON CAPITAL MANAGEMENT LLP
AS48463Tradition Financial Services Ltd.
AS48493TFM Networks Ltd
AS48513Sitekit Solutions
AS48553Market Axess Europe Ltd
AS48570Auriga Kore Limited
AS48577The Chief Fire Officers Association
AS48610Unitel
AS48632BTS Holdings PLC
AS48639Rentsmart ltd
AS48706Electronic Data Processing PLC
AS48717Rural Payments Agency
AS48718LBM Direct Marketing Limited
AS48779AEI Media Ltd
AS48825Fast2host Ltd
AS48888Miranda Technologies Ltd.
AS48902Endsleigh Insurance Services Ltd
AS48906ERGO Insurance Service GmbH
AS48952ZBI Europe LLC
AS48954AIMES GRID SERVICES COMMUNITY INTEREST COMPANY
AS48961Warwicknet Ltd.
AS48973Netplan Internet Solutions Ltd
AS48992Core Education and Consulting Solutions (UK) Ltd
AS49049Bath North East Somerset Council
AS49158Wifinity Ltd
AS49162Entee Global Services Ltd
AS49182BT ENGAGE IT Limited
AS49212REALE SEGUROS GENERALES
AS49247The East Sussex Fire Services
AS49318ARCTelligent Ltd
AS49324Nottingham City Council
AS49375Trunk Networks Limited
AS49397Cambridge Imaging Systems Limited
AS49413Imerja Ltd.
AS49441Rutland Telecom Ltd
AS49454Internal Systems Limited
AS49485High Availability Hosting Limited
AS49487Zamir Telecom Limited
AS49525PARADOX ENGINEERING SAGL
AS49572Fujitsu Services Ltd.
AS49615Ardmore Construction Limited
AS49629UTV Internet
AS49669Cognito Limited
AS49694Three X Managed Services
AS49695My JobGroup Ltd
AS49707Valuelink Information Services Ltd
AS49726Sandwell Metropolitan Borough Council
AS49728Herefordshire Council
AS49765Comms365 Limited
AS49780Allen & Company Advisors Ltd
AS49781UFI Ltd.
AS49807LANDMARK PLC
AS49819Shopzilla Europe Ltd
AS49823Hastingwood Securities Ltd
AS49846Prolexic Technologies
AS49868ANITE BUSINESS SYSTEMS LTD
AS49882Moneybookers Ltd.
AS49928Prisacom S.A.
AS49958EVOLUTION GAMING LIMITED
AS50023Vodat International Ltd
AS50028Mvision Video Networks Ltd
AS50039iGlobalMedia Marketing (UK) Limited
AS50053Peninsula Business Services Limited AS13037
AS50056Advantage Interactive Limited
AS50063Sainsbury's Supermarkets Ltd
AS50088Fort Technologies
AS50184Mesh Internet Ltd
AS50202Hiscox Underwriting Group Services LTD
AS50224eaga plc
AS50229Stratos Global Limited
AS50246360 Treasury Systems AG
AS50271MESPMOTA-ENGIL SERVICOS PARTILHADOS ADMINISTRATIVOS E DE GESTAO S.A.
AS50286Link up Mitaka Limited
AS50287Audatex (UK) Ltd
AS50292StratoGen Internet
AS50300Custodian Ltd.
AS50384W-IX LTD
AS50422Royal Bank of Scotland plc
AS50432Royal Bank of Scotland plc
AS50445Wirefast Limited
AS50468Citrus Telecommunications Ltd
AS50510Cancer Research UK
AS50529Cubic Transportation Systems Ltd
AS50534Smallworld Cable Ltd
AS50541Virtek Limited
AS50656Optix Software Ltd
AS50697ACSN Limited
AS50743Commensus PLC
AS50746Britannic Technologies Ltd
AS5552Redstone Managed Solutions Ltd
AS8190VIATEL
AS50813PAY AND SHOP LIMITED
AS50882Maxnett Ltd.
AS5089Virgin Media Limited
AS50910Mainstream Digital Ltd
AS50922Dewey & LeBoeuf
AS50957Memset Ltd
AS50965LEONHARD KURZ STIFTUNG and CO. KG
AS50972Jamie Oliver Ltd
AS510054D Interactive Ltd
AS51043Aspire Technology Solutions Ltd
AS51047Turtle Networks Ltd
AS51048Next Connex Ltd.
AS51049Pensionkassernes Administration A/S
AS51055Bridge Partners Ltd
AS51063Fujitsu Telecommunications Europe Ltd
AS51072NHS CAMDEN
AS51113Elekta
AS51149SYBASE EUROPE B.V.
AS51159Think Systems UK Ltd
AS51198DREAM SERVERS LTD
AS51205Omnifone Limited
AS51212Create Internet Ltd
AS51222CMC MARKETS PLC
AS51263County Broadband Ltd
AS51318STANDARD CHARTERED BANK
AS51320Wirelesslogic Ltd
AS51338Melonite UK Limited
AS51377BurstNET Limited
AS514062Connect UK Ltd
AS51409SectorSix Limited
AS51439Chartis UK Services Ltd
AS51489T-Systems Limited
AS51551Updata Infrastructure (UK) Limited
AS51553Telecom Plus PLC
AS51572Cerulean Solutions Limited
AS51649Vision Capital Group Limited
AS51704South West Grid for Learning Trust Ltd.
AS51707Medway Towns Council
AS51736Brit Group Services Limited
AS51762Adversor LLP
AS51766Merseyside Fire and Rescue Service
AS51901COMS LIMITED
AS51905Compuweb Communications Services Limited
AS51926PageOne Communications Ltd
AS51945ConnetU Ltd.
AS52024KWIK-FIT (GB) Ltd
AS52063SystemIP Ltd
AS52129Proofpoint Inc.
AS52148Racksrv Communications Limited
AS52215HAMPSHIRE COUNTY COUNCIL
AS52220BAWAG P.S.K. Bank fuer Arbeit und Wirtschaft und Oesterreichische Postsparkasse Aktiengesellschaft
AS5388Energis UK
AS5413Daisy Communications Ltd
AS5607British Sky Broadcasting Limited
AS6908Datahop Ltd
AS786The JNT Association
AS8943Jump Networks Ltd.
AS5462Virgin Media Limited
AS5482Daisy Communications Ltd
AS5500Colloquium Limited
AS5503RM Education PLC
AS5564Brightsolid Ltd
AS5600Total Connectivity Providers Ltd
AS5631VITAL-GROUP UK Network
AS56367Sci-Teq Limited
AS56464Vibrant Media Ltd
AS56474Computacenter Mid-Market Data Centres
AS56478Hyperoptic Ltd
AS56518PacketPipe Ltd.
AS56595Fluency Communications Limited
AS56640BAIN AND COMPANY INC. UNITED KINGDOM
AS56644Synergy Financial Servics Ltd
AS56670West Sussex County Council
AS5669Interoute Communications Limited
AS56696Liquid Telecommunications Ltd
AS56929Wandsworth Borough Council
AS56990Syscomm Ltd
AS57002William Hill Organization Ltd
AS57099Boundless Communications Limited
AS57148Bytehouse Ltd.
AS57168BBS Commerce Ltd
AS57203Lowcosttravelgroup Limited
AS57228Imtech ICT Limited
AS57230Aria Web Development LLC
AS57307Blaze Networks Ltd
AS57315PureBlue Global Networks Ltd
AS57356Highland Network Ltd
AS57391Charless Street Communications Ltd.
AS57403ORC Software AB
AS57653Central Technology Ltd
AS57750NDS Group Ltd
AS57784NDS Limited
AS57850Northumbrian Water Ltd
AS57851Genesis Housing Association Limited
AS57907CloudConnX Limited
AS57994NetEarth UK Ltd
AS581022Dmedia Ltd.
AS58124CAPITAL SUPPORT LIMITED
AS58148Ironside Systems Ltd.
AS58192WEBB2B.CO.UK LTD
AS58202Knight Communications LTD
AS58218Monster Worldwide Limited
AS58245AME Investments Limited
AS58252RINGLOUD LIMITED
AS58273
AS6656Star Technology Services Limited
AS6717Internet Central Limited
AS6871PlusNet PLC
AS6894KDDI Europe Ltd.
AS6899Netstore Ltd UK now 2e2 Ltd
AS8282FidoNet Registration Services Ltd
AS6911Pro-Net Internet Services Ltd
AS8220COLT Technology Services Group Limited
AS8272Netscalibur UK Ltd
AS8276Roguepacket Networks
AS8356Neo-Tel Ltd.
AS8401Mailbox Networks
AS8419Maxima Managed Services (Formerly: Hotchilli/DXI)
AS8426ClaraNET LTD
AS8897KCOM Group PLC
AS9191NEWNET plc Peers
AS8435Lloyds Banking Group PLC
AS8457ABCnet
AS8468ENTANET International Limited
AS8513SkyVision Global Networks Ltd
AS8530Excell Group PLC
AS8546Your Communications Ltd
AS8548Net Northwest
AS8553Avensys Networks Ltd
AS8577Rackage Ltd
AS8586TalkTalk Communications Limited
AS8607Timico Ltd
AS8621Backbone (UK) Limited
AS8622Namesco Limited
AS8651Mitsubishi UFJ Securities International plc
AS8655Adjacent Networks
AS8669Total Web Solutions Ltd
AS8680Cable & Wireless Channel Island Network
AS8686System Online Ltd
AS8689Power Internet Ltd.
AS8698Nationwide Building Society
AS8789Novosco Limited
AS8838Stripe21 Limited.
AS8844CI-Net Limited AS
AS8851Edge Telecom Ltd
AS8871CSI Limited
AS8902Internet For Business Limited
AS8912Group NBT plc (formerly NetBenefit)
AS8942Focus Information Limited
AS8950Logicalis UK Limited
AS9014CEFAS
AS9084Goldman Sachs International ULC
AS9086Qi Comm Ltd
AS9090OiT
AS9105Tiscali UK
AS9115Internet Names For Business
AS9142Netline UK Ltd
Rest of
World
AS12702Verizon Business EMEA - IPv6 only
AS12740OMX Technology AB
AS12787Mirror-Image Internet
AS13191netAxis
AS13207Caprock UK Limited
AS13258Centrica Plc
AS15375Commerzbank
AS15395UK Rackspace
AS15418Fasthosts Internet Ltd. Gloucester
AS15519Venda Limited
AS15572Betrusted
AS15635Yahoo! Europe
AS15654Civica UK Ltd.
AS15697BT Ignite Intercontinental Satellite Video Streaming
AS15740ABN AMRO
AS15769Deutsche Bank AG
AS15917CSC Computer Sciences Ltd
AS15951Dow Jones & Company
AS15961ATTENDA-UK
AS16096The Sporting Exchange Ltd
AS16162London Web Ltd
AS16174Intuitiv
AS16238Telecom2 Ltd.
AS16334Sureline Communications Limited
AS196839Virtual Universe LTD
AS196881Liberty-izone Ltd
AS196950The Carphone Warehouse Limited
AS197017NICEIC Group Ltd
AS197101Bellingham Telecoms Ltd
AS197122Affinion International Ltd
AS197282Wood Group Management Services Ltd
AS197651THE HUT.COM LIMITED
AS197782Freezone Internet Limited
AS197822Varidion Limited
AS197832Navisite
AS197872Electronic Arts Limited
AS197980Actimax Limited
AS198082Synetrix (Holdings) Limited
AS198136AGENCYPORT SOFTWARE EUROPE LTD
AS198294SCHNEIDER ELECTRIC INDUSTRIES SAS
AS198583VETORO UK LIMITED
AS198623iSumo Ltd
AS198723University of Reading
AS198781G3 Network Services Ltd
AS20617AS for BNP Paribas UK Ltd
AS20705HSBC Bank plc
AS20737GNI Trading AS
AS20878Atia Solutions Ltd
AS20944Grupo Ferrovial Network
AS21118Total Fina Elf Gas and Power Services London W1
AS21267Wavenet Limited
AS21301Royal Bank of Scotland plc
AS21327Hutchison 3G UK and Ireland Core AS
AS21346Vistorm Limited
AS24627GULFSATCOMMUNICATIONS COMPANY K.S.C.
AS24650Charles Stanley & Co Ltd
AS24673Firstserv Limited
AS24677Taylor Nelson Sofres
AS24716Interdirect Limited
AS25022TDM Group Limited
AS25028AS for Igroup
AS25135Vodafone Limited
AS25168Mitsui & Co UK Plc
AS25259AS for Glopeop Financial Services
AS25346Tiscali UK Ltd
AS2535BP America
AS25421John Lewis Plc.
AS25426BRAINTEC AS
AS25470Scottish and Southern Energy
AS2868The JNT Association
AS28695TraderMedia Ltd
AS28729AS for Ford Motor Company Ltd
AS28786Endava MS Formerly Internetworking Strategies
AS28816Abel Internet
AS28819E-COMMERA LIMITED
AS28837Vox Mundi LLC.
AS28863Thales Transport and Security Ltd
AS28914Cloud9 Communications Ltd
AS28934Mizuho International PLC
AS29019Hemscott plc
AS29054NSE Global ASN
AS29120AS for Rowe and Maw
AS29197ASN for Nomura
AS29207Shire Pharmceuticals Group PLC UK
AS29265DNS Europe Ltd
AS29400Tullett Liberty
AS29480CC Networks
AS29606Borwood UK Network
AS29646FFastfill UK Limited
AS29669GE Medical Systems Societe en Commandite Simple
AS30756AS For Cendant Group
AS30864Pan-European electronic payment solutions provider
AS30943Utransit International Carrier Limited
AS31015Hill and Knowlton
AS31151Performance Horizon Group LTD
AS31198Telenor UK Ltd
AS31223EA Games
AS31300FT Internet operations
AS31345Internet-Technologies and Systems
AS31426Vision Internet Network
AS31453Lothlorien Consulting Ltd
AS31667Soundmouse LTD
AS3328KCOM Group PLC
AS33921Lebara limited
AS34010Yahoo! Europe
AS34082Yahoo! Europe
AS34164Akamai Technlogies LON ASN
AS34286Aberdeen Journals Ltd
AS34407WAVECREST
AS34437Callserve Communications
AS34697Emerson
AS34737QinetiQ Ltd
AS34745TeleWare plc - AS number
AS34799ISP "Colibri"
AS34930BAA Airports Ltd
AS34933SKY TELECOM AG
AS35017SWIFTWAY
AS35289FTIP002613093 Veritas Software Ltd
AS35544Splendor (UK) Ltd
AS35545Badoo Technologies Limited
AS356708el AS Number
AS35716Merseyrail Electrics 2002 Ltd
AS35791Viastar AS number
AS35831Vnetrix Ltd
AS38936Herman Miller LTD AS Number
AS38966IntraLAN Group PLC
AS38974MediaRing (Europe) Ltd.
AS39097Azzurri Communications Ltd
AS39139Menzies Aviation Plc
AS39717Polestar Interactive Ltd
AS39733Talk24 Ltd.
AS39846Onega Ltd
AS40968Professional Protection Electronic Ltd.
AS41107Backbone Connect Ltd
AS41174Electronic Arts Limited
AS41276Payment Trust Limited
AS41321Fujitsu Technology Solutions GmbH
AS41367Production Services Network (PSN)
AS41383Wolseley UK Limited
AS41393Nasstar Limited
AS41433Research In Motion
AS41493BATS Trading Ltd.
AS41553Reed Managed Services Ltd.
AS41596Willis Group Services Ltd
AS41614TeleDesign Solutions Ltd
AS41840National Grid Plc
AS41963Moneysupermarket.com Ltd.
AS42046Independent Television News Limited
AS42129Serverstream Ltd
AS42179ACCELERATE4 ASN
AS42342First Data Corporation
AS42370C2C Limited
AS42565GTT - EMEA Ltd.
AS42705Talia provides VSAT network and hosting services worldwide.
AS42733Sirec Technologies Limited
AS42761Brinks Ltd
AS42875National Car Parks
AS42944Ticketmaster UK Ltd
AS42958Senior Internet Ltd.
AS43041Plan Ltd
AS43255FINANCIAL SECURITY ASSURANCE UK LTD
AS43313Miniclip SA.
AS43338Rational Services Ltd
AS43383AlwaysON Ltd
AS43424PROCEAU SARL
AS43428Yahoo! Europe
AS43519NOMINET UK
AS43664Thermeon Worldwide Plc
AS43827Environement Agency
AS43835NCC Group Plc
AS44076Mysupermarket Limited
AS44159Lawyers On Line Ltd
AS44251DataComms Europe Ltd
AS44422Wavex Technology Ltd
AS44474Schneider Trading Associates Ltd
AS44557Dragonara Alliance Ltd
AS44745Fidessa PLC
AS44782FXCM Securities Limited
AS44822Syncsort Inc
AS4489124 Seven Communications Ltd
AS44972Cobbett Hill Earth Station Limited
AS45028Barefruit Ltd
AS47121Sensemakers B.V.
AS47296HiFX PLC
AS47426Advitel Ltd
AS47443Velocity1 Limited
AS47523Heidmar UK Ltd
AS47540Tarainform Limited
AS47563Satellite Information Services Ltd
AS47712Velocix Limited
AS47716CorpoLink Ltd.
AS47744Xtend Solutions Ltd
AS47892FTEN Inc
AS47906Attenda Ltd
AS47971Hillside (New Media) Limited
AS48083Getronics UK Limited
AS48214Phorm UK Inc
AS48389Robeco AS Number
AS48397Unipart Group Limited
AS48591Ipreo Ltd
AS48596SAC Global Investors LLP
AS48660Ultra Communications Ltd
AS48686Solstice Technology Ltd
AS48771Semantico Ltd
AS48885Neocarrier Communications
AS48910InterNAP Network Services U.K. Limited
AS48935Automat Limited
AS48945Independent Fibre Networks Limited
AS48967BATS Trading Limited
AS48989Risk Management Solutions Ltd
AS48993Department 7 Limited
AS49209China Telecom (Europe) Ltd
AS49229Eison Ltd
AS49356IT&T-E LTD
AS49546Voicetec Sys Limited
AS49657Transaction Network Services (UK) LTD
AS49751Internet For Everything Ltd.
AS49758Lloyds Banking Group PLC
AS49933Tech Hosting Ltd
AS49937Interactive Sports (C.I.) Limited
AS49999Stonebridge Software Ltd 16-bit AS
AS50456Gage Networks LLP
AS50500ALICAP SOLUTIONS LTD
AS50598Datagate Network Solutions Ltd.
AS50632nU Colocation
AS50648PE UAinet
AS50756River Island Clothing Co. Ltd
AS50764The London Organizing Committee of the Olympic Games Limited
AS50833Fiber Telecom Ltd
AS50932Mesh Digital
AS51006ZEN Network Technologies Ltd
AS51329CONNECTION NETWORKS L.P.
AS51332CONNECTION NETWORKS L.P.
AS51479CONNECTION NETWORKS L.P.
AS51498CONNECTION NETWORKS L.P.
AS51720Fujitsu Technology Solutions GmbH
AS51818Genus PLC
AS51823Microtalk Telecommunications Limited
AS51845Waterstons Limited
AS51946University of Newcastle upon Tyne
AS51965Monecor (London) Ltd
AS51999AdultEUhost Ltd
AS52076AlgoSpan Limited
AS52221Vibe Communications UK Ltd
AS53335BlueCrest Capital Management LP
AS5551Cable & Wireless UK P.U.C.
AS5586MCI International (Europe and North Africa)
AS5587Legend Communications plc.
AS5596T-Mobile Hungary Telecommunications Company Limited by Shares
AS56325DIOGELO LTD.
AS56396Turn Europe (UK) Ltd.
AS56565Manor IT (UK) Limited
AS56775LADBROKES IT & SHARED SERVICES LIMITED
AS57156ANS Group Plc
AS57408Reed Smith LLP
AS57511OvalTech Internet Ltd.
AS57586VENSERVE VENTURES LLP
AS57624Beeks Trading Corporation Ltd
AS57652London Telecom Exchange LTD
AS57668Santrex Internet Services Ltd.
AS57669DediPower Managed Hosting Limited
AS57894Incon Limited
AS57935NEXON Europe S.A.R.L.
AS58144THE STREAMING COMPANY.COM LIMITED
AS58226Pearson Harper Ltd
AS6660Cable & Wireless UK P.U.C.
AS6838The Flirble Internet Exchange
AS6859KCPweb
AS8266Nexus Telecommunications Ltd
AS8296H Bauer Publishing Ltd
AS8718Datastream International
AS8987Amazon Data Services Ireland Ltd
AS9161Poundbury Systems Ltd.
AS9194MCI WorldCom Advanced Networks
IPv4
& IP
v6
AS12290Exonetric Consulting Ltd
AS12295Professional Telecommunications Ltd.
AS12390KCOM Group Public Limited Company
AS12513Eclipse Internet
AS12536EDGE-IX ASN
AS15641Arqiva Communications Ltd
AS16293Intercea UK AS number
AS21218Smartways
AS31021Dialogue Communications Ltd
AS33854Host-It Internet Solutions Datacentre
AS39152intY Ltd
AS39609Multicom Products Ltd
AS43534CreditCall Ltd
AS44369EMBC PROCUREMENT LIMITED
AS44611Talk Internet
AS8613ICM NetServ Ltd
AS12433Orbtalk Limited
AS12496Infinity Developments Limited
AS31708Coreix Limited
AS44684Mythic Beasts Ltd
AS12519FastNet International Ltd.
AS25376Netnorth Limited
AS25582LINIX Ltd
AS29129Vispa Internet Limited
AS30847Lancaster University Network Services Limited
AS34119Wildcard UK Ltd
AS34660Idaq Ltd
AS34931Awareness Software Limited
AS43545Teledata UK Limited
AS48610Unitel
AS58273
AS8689Power Internet Ltd.
AS12576Orange Personal Communications Services
AS35736ORANGE HOME UK PLC
AS12583Stanley UK Services Ltd
AS126211A Networks Limited
AS12628Jaco Engelbrecht
AS12658Dexterity Networks Limited
AS12678Badoo Limited
AS12701Barclays Bank plc
AS12703Pulsant (Scotland) Ltd
AS15379Flexiant Ltd
AS16197Tollon
AS20712Andrews and Arnold Ltd
AS29550Simply Transit Ltd
AS34243Web Age Ltd London AS
AS35259APM Internet UK Network
AS35732UK Webhosting Ltd -
AS41489Watchfront Limited
AS41866Interfax Inc
AS44574A4N
AS49026Volume Limited
AS49397Cambridge Imaging Systems Limited
AME Investments Limited
AS12707Caberfeidh (UK) Ltd
AS12708TalkTalk Communications Limited
AS12775The JPCINET
AS12789Associated Newspapers Limited
AS12855Houxou Ltd
AS12870Arrowhead Systems Ltd
AS12884DRW Investments (UK) Limited
AS12885Arbinet-thexchange Limited
AS197669Synety Ltd
AS42040Crosspoint Colocation And Hosting Limited
AS13005C2 Internet ASN
AS13009InTechnology Plc
AS15845Computers In The City
AS13037Zen Internet Ltd
AS20941Zen Internet Ltd
AS29474Ghoti Limited
AS41029Ebuyer (UK) Limited
AS41830Fitzpatrick Ltd
AS48888Miranda Technologies Ltd.
AS49162Entee Global Services Ltd
AS50053Peninsula Business Services Limited AS13037
AS51766Merseyside Fire and Rescue Service
AS52024KWIK-FIT (GB) Ltd
AS13076Virgin Media Limited
AS13126Mach6
AS13114Nationwide Building Society
AS13122MANX-TELECOM
AS44481Professional Data Management Services Limited
AS13173Foreshore Limited
AS13216Itex Guernsey Ltd
AS25040I.T. Consultancy Limited
AS8680Cable & Wireless Channel Island Network
AS13208Newtel Ltd
AS13213UK-2 Ltd
AS16339Virtual Internet (UK) Ltd
AS39451Melbourne Server Hosting Ltd
AS39458Real Hosts Limited
AS51561ICUK Computing Services Limited
AS13285TalkTalk Communications Limited
AS24916OrbitalNet Ltd
AS31487VarTec Telecom UK Ltd
AS43234TalkTalk Communications Limited
AS8586TalkTalk Communications Limited
AS9105Tiscali UK
AS15412Flag Telecom Global Internet AS
AS15766Domicilium (IOM) Limited
AS15773ABS Telecom Limited
AS15830TELECITYGROUP INTERNATIONAL LIMITED
AS15988Akhter Computers Ltd.
AS16353Merula Limited
AS20500Griffin Information Systems Limited
AS20799Datanet.co.uk Ltd
AS20860Iomart
AS20923Skymarket UK ISP
AS21099Game Stores Group Ltd
AS21371Equinix UK
AS24594Frontier Systems Ltd.
AS24851Netcetera Peers
AS25061Associated Networks Limited
AS25178Keycom PLC
AS25180Exponential-e Ltd
AS25310Cable and Wireless Access Ltd
AS28846Carlton Television Birmingham UK
AS29527Othello Technology Systems Limited
AS29664Reliance Globalcom Ltd. (formerly Vanco Ltd)
AS29668Qube Managed Services Limited
AS30827Xtraordinary Networks Ltd.
AS30914AS for ioko365 Ltd
AS31084Magrathea Telecommunications Limited
AS31715NetrinoUK Ltd
AS34442AS-XIFOS
AS34746Eaton Kaye Ltd
AS35228Avatar Broadband Limited
AS35799Known Future Ltd
AS39356Avanti Broadband Ltd.
AS42579Comtec Enterprises Ltd
AS42689Cablecom Networking Limited
AS42973Metronet (UK) Limited
AS47999Transversal Corporation Ltd's AS Number
AS49572Fujitsu Services Ltd.
AS50173Vtesse Networks Limited
AS51159Think Systems UK Ltd
AS51205Omnifone Limited
AS51918Cerberus Networks Ltd
AS5503RM Education PLC
AS5552Redstone Managed Solutions Ltd
AS5631VITAL-GROUP UK Network
AS6656Star Technology Services Limited
AS6871PlusNet PLC
AS6894KDDI Europe Ltd.
AS786The JNT Association
AS8190VIATEL
AS8553Avensys Networks Ltd
AS8683Nominet UK
AS8851Edge Telecom Ltd
AS8897KCOM Group PLC
AS8912Group NBT plc (formerly NetBenefit)
AS9191NEWNET plc Peers
AS15421Internap European
AS15429DIGEX UK
AS15431Daisy Communications Ltd
AS15444Netservices Plc
AS25585Kencomp Internet LTD
AS31632OAG WorldWide Limited
AS34689IP Infrastructures Ltd
AS15463Network-i Limited
AS15510Compuweb Communications Services Limited
AS31048Digital Evolutions Ltd
AS51905Compuweb Communications Services Limited
AS15533SunGard Availability Services (UK) Ltd
AS15768WorldPay Limited
AS16164Sohonet Limited
AS196809FremantleMedia Ltd
AS29214HOUSES OF PARLIAMENT
AS29295Northgate Information Solutions UK Limited
AS33860Garban Intercapital
AS44480Brevan Howard Asset Management LLP
AS57851Genesis Housing Association Limited
AS15542ZeelandNet BV
AS15568European Bank for Reconstruction & Development
AS15570Internap European
AS15989NYSE TECHNOLOGIES LIMITED
AS20577Tradeweb Europe Ltd
AS20990Commerzbank
AS21110Ladbrokes Limited
AS24887Lone Pine Capital (UK) Limited AS London
AS25218The Economist resiliancy
AS28687KBC Investments Limited
AS31637WPP Group Technology Services
AS34587Hillside (New Media) Limited
AS40992Marex Financial Ltd
AS44568OpSource
AS44931TNTExpressICS
AS48463Tradition Financial Services Ltd.
AS50023Vodat International Ltd
AS50393SUMITOMO MITSUI BANKING CORPORATION EUROPE LTD
AS15601Baring asset Management 155 Bishopsgate London UK
AS41570Services Sound and Vision Corporation
AS15653NetSumo AS Number
AS34816AEG Europe
AS15676Voxeo UK block from Global Crossing
AS15677MBA Systems
AS15689Advanced IT Services Nottingham LTD
AS15692Razorblue Ltd
AS15724Cofunds Ltd
AS15770Derwentside District Council
AS15786Callserve Communications Limited
AS197407China Unicom (Europe) Operations Ltd
AS198567ED & F MAN CAPITAL MARKETS LIMITED
AS21206Polar Computer Communications Limited
AS24742APAK Group Limited
AS31404LYCATEL DISTRIBUTION UK LIMITED
AS31515Inmarsat
AS33859The Portal Partnership Ltd.
AS35414European Medicines Agency
AS39757The UK Grid Network Ltd
AS42077Micro-Business Maintenance Ltd
AS47163Ingenico (UK) Limited
AS51149SYBASE EUROPE B.V.
AS52129Proofpoint Inc.
AS57356Highland Network Ltd
AS58202Knight Communications LTD
AS8942Focus Information Limited
AS15839Athene Internet/Cobweb Solutions Network
AS15865Elliott Advisors UK Network
AS15914British Airways plc
AS15957Web Technology Group
AS15977Pershing Ltd
AS15992Visa International
AS15998Specific Media UK
AS16036Thomson Financial
AS16050Reuters Docklands resiliancy
AS16082Spitfire Network Services
AS51649Vision Capital Group Limited
AS16085Infobolsa Spanish Network
AS5555Sohonet Limited
AS16166WorldPay Limited
AS16260GTT - EMEA Ltd.
AS24894Tag Europe Ltd
AS16282Allied Irish Banks Plc
AS16303IPSwitch Networks Ltd
AS16315Absolute Clarity Limited
AS16351Juno Records Ltd.
AS198353Mimeo Limited
AS31595AwellConnected.Com
AS34654Ionic Information Limited
AS163627 Global Systems Limited
AS196628Eurolink Telecom Ltd
AS196656Bayberry Rue Ltd
AS196671Little Owl Computer Services Limited
AS196720deCarta Limited
AS196722SCHWEIZERISCHE NATIONALBANK
AS196745Datacenta Hosting Ltd
AS196778Transport for London
AS196875Modrus Ltd
AS196902Dudley Metropolitan Borough Council
AS196904N.E. Services Ltd
AS196933Atlas Interactive Group Ltd.
AS196942Digital Distribution Networks Ltd
AS196962Cupid plc
AS196981London Borough of Brent Council
AS196990Shawbrook Bank Limited
AS197039Nomura International Plc
AS197085Sykes Global Services Ltd
AS197104Gentoo Group LIMITED
AS197107Blue Chip Customer Engineering Ltd
AS197182The Briars Group ltd
AS197239Ashridge (Bonar Law Memorial) Trust
AS197320National Pharmacy Association Ltd
AS197338Societe Generale Securities Services UK Limited
AS197342AePONA Ltd.
AS197370Nottinghamshire County Council
AS197409Co-operative Group (CWS) Limited
AS197419The International Institute For Strategic Studies
AS197463Crossflight Ltd
AS197529Emizon Networks Limited
AS197568Cardif Pinnacle Insurance Management Services PLC
AS197591Intercept IT Limited
AS197594Redstor Limited
AS197666Beaver-Visitec International
AS197852Renaissance Capital Services Ltd
AS197913CCPG Solutions Ltd
AS197972AGENCYPORT SOFTWARE EUROPE LTD
AS198032Cambridge Assessment
AS198037First Rate FX Limited
AS198046Scott Logic Ltd
AS198047UK Webhosting Ltd
AS198071ZBI Europe LLC
AS198079Delcam PLC
AS198142Warrington Borough Council
AS198154Connections North West Ltd
AS198189Crown Office and Procurator Fiscal Service
AS198222West Herts College
AS198236TSOne Ltd
AS50419Appstal Limited
AS198276Kroll Ontrack Legal Technologies
AS198299Kooljett Limited
AS198300Forth Electrical Services Ltd
AS198312Spectra Group (uk) Ltd
AS198313SystemHOST Limited
AS198328Trayport Limited
AS198362HELIACAL NETWORKS LTD
AS1983821st Easy Limited
AS198386ONI plc
AS198426FIBRESTREAM LIMITED
AS198440M12 Solutions Ltd
AS198536Safe Financials LTD
AS198554DXI Limited
AS198719Intelliworkspace Ltd
AS198722TXRX Communications Ltd
AS198753Excell Group PLC
AS198756Easy Connect Limited
AS198801Your Housing Group Ltd
AS198850Hogarth Worldwide Limited
AS198863Cambridge University Press (Holdings) Limited
AS198883YAMMER EUROPE LIMITED
AS199032Call27 Limited
AS199066Data8 Limited
AS42383Griffin Information Systems Limited
AS45019SquareCows Limited
AS20505Legal & General Investment Management Holdings Ltd
AS20547Six Degrees Managed Data Limited
AS20782ZebraHosts LTD
AS25588Ultraspeed - Main UK Network
AS28673Internet Technology Products
AS30909FastVision Limited
AS39361Intuitive IT Ltd
AS41203Geopost UK
AS49962zero.net.uk Ltd
AS57168BBS Commerce Ltd
AS20610Northcliffe Media Limited
AS20629BIS Ltd
AS21459Business Systems Group LTD
AS28959AS for Vitol Group
AS29026Charles Taylor Consulting PLC
AS49503Cloud Data Ltd
AS20652Unitron Systems & Development LTD
AS20679hSo: broadband internet
AS20695Capital One Bank (Europe) plc
AS20738Webfusion Internet Solutions
AS47484FCP Internet LTD
AS5400British Telecommunications plc
AS29131RapidSwitch
AS29164Titan Internet Ltd
AS30967Software Cellular Network Ltd
AS42382Lightwood Consultancy Ltd
AS44947Nativ-Systems AS
AS44948LAST.FM LTD
AS49182BT ENGAGE IT Limited
AS49781UFI Ltd.
AS20927Addison Lee
AS20952VENUS BUSINESS COMMUNICATIONS LIMITED
AS20955ProQuest Information and Learning Limited
AS20976Domainmaster Ltd.
AS34066TelAppliant Ltd.
AS43198Outsourcery Hosting LTD
AS20998SDL International PLC
AS21011"TOP NET" PJSC
AS21054RBSG Internet operations
AS21055Axamba Limited T/As Web Tapestry
AS21076BTA Ltd
AS21077SCC Internet Services (Formally ISP4Business)
AS3344Burstfire Networks Limited
AS21130Iomart
AS21160Markel International Services Ltd
AS21177Definite Software Ltd
AS21188Unilever PLC
AS21208YOUNG AND RUBICAM SL
AS21233C2 Direct Transit AS
AS21260The Positive Internet Company Ltd
AS21296PricewaterhouseCoopers LLP
AS21321Areti Internet Ltd.
AS57994NetEarth UK Ltd
AS58252RINGLOUD LIMITED
AS21345MessageLabs
AS21356GTT - EMEA Ltd.
AS21369SchlumbergerSema
AS24910HIGHBRIDGE LONDON
AS24990Equinix France
AS29006POBOX Hosting Limited
AS29033Eckoh UK Limited
AS31727Node4 Ltd
AS3213Bogons Ltd
AS33941Gconnect
AS41811Convergence Group Limited
AS43599North West Electronics
AS44824Callagenix Limited
AS44980Cairney Network
AS48077Zix Corporation
AS49669Cognito Limited
AS51489T-Systems Limited
AS8676PRT Systems Ltd
AS9153Burstfire Networks Limited
AS21396NetConnex Broadband Ltd. - London
AS25464Routo Telecom European
AS29676Gradwell dot com Limited
AS42909Internet Computer Bureau Ltd
AS44314ITsynergy Ltd
AS8916Portfast Ltd
AS21422Connect internet Solutions Limited
AS21423Komax Holding
AS21433Accenture UK Limited
AS21439Morgan Stanley
AS21448Netserve Consultants LTD
AS43328Nation Wilcox Associates
AS21464EDF Trading
AS21470South West Communications Group Ltd
AS21472ServerHouse Ltd
AS24591i2 Networks Ltd
AS24661MDS Technologies Ltd - Corsham
AS24720Avensys Networks Ltd
AS24775QinetiQ Ltd
AS24778DataPipe Europe
AS24865Keith Mitchell
AS24867Adapt Services Ltd
AS24976Techgate PLC
AS2589Wanstor Ltd
AS31156The Energy Savings Trust
AS34401EMI Group Limited AS34716
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AS39520MCP ASN
AS39610LCH Clearnet
AS41246Electronic Media Services Ltd.
AS42332The Software Connection Limited
AS42479Kroll Ltd
AS43280Gordian Knot Limited
AS44521Jagex Limited
AS48182WRN Ltd
AS49454Internal Systems Limited
AS50529Cubic Transportation Systems Ltd
AS50697ACSN Limited
AS9090OiT
AS24958The Bunker Secure Hosting Limited
AS39295SWITCH IP LTD
AS44971GOETEC Limited
AS47933Commidea LTD
AS48513Sitekit Solutions
AS24931DediPower Managed Hosting Limited
AS24949Btcml AXA
AS47813Semantico Ltd
AS49882Moneybookers Ltd.
AS57148Bytehouse Ltd.
AS8457ABCnet
AS24989Equinix Germany (Previously IX Europe Germany AS)
AS41936Colt Group Ltd.
AS25006Abbey National Trading Services PLC
AS25026Vio Worldwide Ltd
AS25048DSNet Hosting Limited
AS25049STASCo
AS25050BACS Ltd AS
AS5388Energis UK
AS39779Mesh Digital Ltd
AS41113Pseudo Networks Limited
AS51901COMS LIMITED
AS25098Low Cost Host Ltd
AS25492Mr Site Ltd
AS34675Prima Internet Holdings Limited
AS25127BTopenworld Broadband & Narrowband networks located in the UK
AS25160Vorboss Limited
AS25369Bandwith Technologies Ltd
AS25562Sony Computer Entertainment Europe (SCEE)
AS25577Connexions4London Ltd
AS2818BBC Internet Services
AS29009UK Wireless Broadband Network
AS29017Gyron Internet Ltd
AS29297Linkconnect services Ltd
AS29328T-Mobile (UK) Limited
AS29452Secura Hosting Ltd
AS29611Elite Limited
AS30740Exa Networks Limited
AS31474MTV Networks Europe
AS31523Laterooms AS
AS31655Gamma Telecom AS
AS33920(aq) Networks Limited
AS33968Internet Engineering Limited Main AS
AS34270Internet Connections Ltd
AS35028Multiplay AS Number
AS35399Online50 Limited
AS35425Bytemark Computer Consulting Ltd
AS35456Fubra Limited
AS35575Vaioni Group AS
AS35662Redstation Limited
AS41230Ask4 Limited
AS41678The Internet Business Ltd
AS42353Simwood eSMS Limited
AS42369LBI Ltd
AS43013York Data Services Limited
AS43323Playout 247 Ltd
AS44009Sleek Networks Ltd
AS45014Nuco Technologies Ltd
AS47143Todayhost Limited
AS47474Virtual1
AS47480Blue Tiger Solutions Limited
AS48961Warwicknet Ltd.
AS48973Netplan Internet Solutions Ltd
AS49375Trunk Networks Limited
AS49629UTV Internet
AS50056Advantage Interactive Limited
AS50292StratoGen Internet
AS50384W-IX LTD
AS50763MCKAYCOM LTD
AS5089Virgin Media Limited
AS50957Memset Ltd
AS51377BurstNET Limited
AS5459London Internet Exchange Ltd.
AS5500Colloquium Limited
AS5607British Sky Broadcasting Limited
AS56478Hyperoptic Ltd
AS57315PureBlue Global Networks Ltd
AS6717Internet Central Limited
AS8282FidoNet Registration Services Ltd
AS8530Excell Group PLC
AS8577Rackage Ltd
AS8789Novosco Limited
AS8902Internet For Business Limited
AS8950Logicalis UK Limited
AS25320Skypower AS Number
AS30769The Berkeley Group plc
AS30949Exponential-E Ltd.
AS31665Invesco UK Ltd.
AS34253WPP Group plc
AS34632Ariel Communications Ltd
AS34728Cinven Services
AS34830FCP Internet LTD
AS39179Modrus Ltd
AS41909Hometrack Data Systems Ltd
AS41951GlobecastUK Ltd
AS42584London Capital Group Limited
AS42724Terrapinn Holdings Ltd
AS44402GFI Holdings Limted
AS48177Finsoft Ltd.
AS48449CANTILLON CAPITAL MANAGEMENT LLP
AS48493TFM Networks Ltd
AS48570Auriga Kore Limited
AS57228Imtech ICT Limited
AS25327FTSE-International Ltd.
AS41659Robert Bentley t/a Synergyworks Internet
AS41847Daniel O'Mahony
AS58117Swordfish Hosting Limited
AS57672Daniel James Austin
AS25460The Networking People (NorthWest) Limited
AS25501TUXTEL Ltd
AS25546Brookland Computer Services Limited
AS25547Intuit Maidenhead
AS28757Scotnet
AS31270Fusion Media Networks Ltd
AS31273Bisnet Ltd Main AS Number
AS31712Gigastream plc
AS34811Aspire Internet Ltd
AS352624L Communications Ltd
AS39414Bytefetch Ltd
AS39674Solutios Limited
AS41103ClearIP Ltd
AS41400USIC Internet Services Ltd
AS41593Unit Vector Ltd.
AS41595Content and Code Ltd
AS41653Aqua Ray SAS
AS41759Fry IT Ltd.
AS41813Axill Europe Ltd.
AS42228BrightStar Ltd.
AS42262Dynmark International Limited
AS43057Dimasoft Ltd
AS43551AMT DataTechnologies Limited
AS43950Spilsby Internet Solutions
AS44305The Cloud Computing Centre Ltd.
AS44801Direct Technical Ltd
AS44934Arachsys Internet Services Ltd
AS44965Contactual Inc.
AS47351REDtechnology.com
AS47571Digital Craftsmen Ltd.
AS47625Paul David Hughes trading as Hosting Systems
AS48071Northcote Internet Limited
AS48231Thinkgrid Ltd.
AS49819Shopzilla Europe Ltd
AS50882Maxnett Ltd.
AS50888Minotaur IT Limited
AS51198DREAM SERVERS LTD
AS51572Cerulean Solutions Limited
AS56367Sci-Teq Limited
AS56990Syscomm Ltd
AS57307Blaze Networks Ltd
AS57391Charless Street Communications Ltd.
AS57907CloudConnX Limited
AS581022Dmedia Ltd.
AS25587MoneyAM Ltd
AS31459BBC
AS2830Verizon Nederland B.V.
AS2856BTnet UK Regional network
AS28690ING DIRECT UK N.V.
AS31003Iron Mountain UK Ltd
AS31422AS for Aon UK
AS31565Symantec Limited
AS33820Reed Elsevier
AS33879Forth Ports Public Limited Company
AS33981Total System Services Processing Europe Limited
AS34134FreeClix LIMITED
AS34790Waveworks Internet Network
AS35049Qualcomm Inc AS
AS35180Hosted IP Communications Ltd
AS35405Macquarie Bank internet network European AS number
AS35452CIMS Lon UK
AS35707AS for Scottish Power PLC
AS39060Sainsbury's Supermarkets Ltd
AS39118Earthgazer ASN
AS39313AS number for WebTrends
AS39326Goscomb Technologies Limited
AS39461EDF Energy Nuclear Generation Group Ltd
AS39550KPMG UK LLP
AS41021Ebuyer UK Limited
AS41373N3 Service provider
AS41532Barclays Bank plc
AS41613East Sussex County Council
AS41751Ocado Ltd
AS41919Genesys Laboratories UK
AS41988AGE UK Enterprises
AS42592Thomas Cook UK Limited
AS43014Kirkland & Ellis International
AS43251Websense Inc Reading
AS43298Sequence Collective Ltd
AS43392Bluebay Asset Management Plc
AS43949Marsh & McLennan Companies
AS44114Air New Zealand Limited
AS44371PayPoint Network Ltd
AS44697C3 Ltd
AS47534VocaLink Ltd
AS47978McKesson Information Solutions UK Ltd
AS48553Market Axess Europe Ltd
AS48706Electronic Data Processing PLC
AS48717Rural Payments Agency
AS48902Endsleigh Insurance Services Ltd
AS48952ZBI Europe LLC
AS49247The East Sussex Fire Services
AS49318ARCTelligent Ltd
AS49413Imerja Ltd.
AS49485High Availability Hosting Limited
AS49707Valuelink Information Services Ltd
AS49780Allen & Company Advisors Ltd
AS49807LANDMARK PLC
AS50039iGlobalMedia Marketing (UK) Limited
AS50063Sainsbury's Supermarkets Ltd
AS50224eaga plc
AS50229Stratos Global Limited
AS50445Wirefast Limited
AS51318STANDARD CHARTERED BANK
AS5413Daisy Communications Ltd
AS56644Synergy Financial Servics Ltd
AS57002William Hill Organization Ltd
AS58218Monster Worldwide Limited
AS8435Lloyds Banking Group PLC
AS8698Nationwide Building Society
AS8928Interoute Communications Limited
AS28688WPP Group Technology Services
AS28697Nitrex primary AS number
AS28705Cybase Limited
AS28780The PCMS Group Plc
AS28782Vistorm Ltd Secondary AS
AS28792Public Internet Ltd
AS28861Carr Futures Inc London
AS28939AS for ARM Ltd
AS28986Loud-n-Clear Ltd.
AS30746NUQE Ltd
AS39208NexByte Ltd
AS41977AS for Fluent LTD
AS47691Internet Technology Ltd
AS29016Pearson Shared Services Ltd
AS34282UKNOC AS
AS39332ServerForce Ltd - Main AS
AS39545Fluidata Ltd
AS29045IT Action Limited
AS29212Synetrix Ltd.
AS44442The Borough of Telford and Wrekin Council
AS56670West Sussex County Council
AS56929Wandsworth Borough Council
AS29219SEMTEC Limited
AS29444Reflex Internet
AS29446ChunkyChips.net Limited
AS29457Options Technology Ltd.
AS34623Othello Technology Systems Limited
AS56673ZEDELEVEN Ltd
AS8622Namesco Limited
AS29575AS for London Stock Exchange
AS29626Staffordshire County Council
AS29631O-Bit Telecom Limited
AS50972Jamie Oliver Ltd
AS52200M5 Limited
AS30803Trident Net
AS30805Digital Brain plc
AS44366Datacash Group PLC
AS30837CDMS Ltd.
AS30844Liquid Telecommunications Backbone
AS30969Zimbabwe OnLine (Private) Ltd.
AS31562OpenMarket Limited
AS31742Sotaconnect Network
AS34007Proquote Ltd
AS35788Websense Hosted Security Network
AS39202GCap Media plc
AS41448Future Publishing Ltd
AS42004Information Technology Un Limited
AS42344Concept Coders Ltd
AS42536Deloitte & Touche LLP - UK Infrastructure
AS42633Deloitte Touche Tohmatsu Services Inc
AS43531IX Reach Ltd
AS44226Acturis Ltd
AS47762Magnetic North Software Ltd
AS50468Citrus Telecommunications Ltd
AS56696Liquid Telecommunications Ltd
AS8943Jump Networks Ltd.
AS30894Mblox Ltd
AS49958EVOLUTION GAMING LIMITED
AS30930Life Science Communications - Scientific publishing
AS30931IG Index PLC
AS30933KDA Web Services Ltd. / AS30933.net
AS31128Shazam Entertainment Ltd
AS31170Knowledge Ltd TA Nexent
AS31220Carrenza Ltd
AS31256Warwickshire County Council
AS31290Daisy Wholesale Limited
AS31392Phoenix Venture Holdings Ltd
AS31398NEC Europe Ltd
AS31402BlueSquare AS
AS314634D Data Centres Ltd
AS51926PageOne Communications Ltd
AS56730Wirehive Limited
AS31472VoiceHost Ltd
AS314932020Media.net.uk AS31493
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AS31532Hestview Limited
AS31535IDESTA Solutions limited network
AS31640City LifeLine AS
AS31641Bytel Ltd
AS43884EG Information Consulting Ltd
AS31648Crucial Systems Ltd
AS31659Below Zero Scotland
AS31672Control Circle Ltd
AS41477London Multi-Asset Exchange
AS51762Adversor LLP
AS58124CAPITAL SUPPORT LIMITED
AS39592IGX0 - Managed Internet Services
AS42466Meteoric Ltd
AS34555C.C.S. (Leeds) Ltd
AS35650TelNG Ltd
AS50534Smallworld Cable Ltd
AS8871CSI Limited
AS39620s2s Uk Ltd
AS57653Central Technology Ltd
AS8621Backbone (UK) Limited
AS31743Interpublic GIS (UK) Ltd
AS3206AF Blakemore & Son Ltd
AS8655Adjacent Networks
AS33953Experian International Ltd
AS33967Lancashire County Council
AS33970M247 Ltd
AS39602No Wires
AS57230Aria Web Development LLC
AS34013Maznet Ltd
AS34026Bucks Net Services Ltd
AS34041The British Medical Association
AS34079Eduserv Internet UK
AS34099Road Tech Computer Systems
AS51338Melonite UK Limited
AS35838CCANet Limited
AS39925Optinium Ltd
AS44516Setfire Media Ltd
AS34294Accenture SL
AS34344The Port Of Tilbury London Ltd
AS34350Man Investments Limited
AS56438Loop Scorpio main AS
AS34523Webroot Services Ltd
AS34539Servelocity Ltd
AS41000Freethought Internet
AS48825Fast2host Ltd
AS50656Optix Software Ltd
AS51707Medway Towns Council
AS34649HOST365 LIMITED
AS34657TAWA MANAGEMENT LTD
AS43539Digital Region Broadband South Yorkshire Ltd.
AS34670Coreware Ltd
AS34706Rack Sense Ltd
AS34861Informatica Software Ltd.
AS34914Syntec LTD
AS34934UKFast.Net Ltd
AS34967DRD Communication Plc
AS34988English Welsh and Scottish Railways
AS35045Opera Telecom Birmingham
AS35072Serco and Solutions AS
AS35089WB Internet Limited
AS35200OJSC Central telegraph
AS35299Classroom 2000
AS35327Naglotech AS Number
AS41495Faelix Limited
AS35551Assimisis
AS35559Someaddress Networks
AS42465Websense Hosted Security - Anycast network
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AS35822CEGER
AS35825Guardian News and Media AS
AS35826Netservers Limited
AS35832Birmingham Grid for Learning AS
AS48447Comodo CA Ltd
AS39089anker
AS39116Telehouse Inter. Corp. of Europe Ltd As Number
AS9014CEFAS
AS39537Hub Network Services Ltd
AS39617Chris Burton t/a 8086 Consultancy
AS39884Inet Telecoms Ltd
AS41051Worksunit
AS42831UK Dedicated Servers Limited
AS43532Alpari (UK) Limited
AS44052Press Computer Systems Ltd
AS44646Gamesys Ltd
AS47227Charles Briscoe-Smith trading as Servology
AS49441Rutland Telecom Ltd
AS49793LMP Technical Services Ltd AS
AS49846Prolexic Technologies
AS51055Bridge Partners Ltd
AS514062Connect UK Ltd
AS51945ConnetU Ltd.
AS52148Racksrv Communications Limited
AS56745Kalnet4u Ltd
AS57203Lowcosttravelgroup Limited
AS6908Datahop Ltd
AS8330LONAP Ltd
AS8686System Online Ltd
AS8838Stripe21 Limited.
AS9086Qi Comm Ltd
AS39341Acxiom Ltd
AS39400London Borough of Hackney AS Number
AS39470ATRIUM NETWORK
AS39477Mundio Mobile Ltd
AS39485David and Joe Ltd
AS39522Converged Communication Solutions Limited
AS48620Beaming Ltd
AS49158Wifinity Ltd
AS51409SectorSix Limited
AS56460Telefonica UK Limited
AS39621Stream UK Media Services Limited
AS39627British Sky Broadcasting Limited
AS39633Ipitomi Limited
AS39782MF Global CP
AS39801Leeds City Council
AS39849ProTX Ltd
AS39875Zycomm Electronics Limited
AS39917PKR Technologies Ltd
AS40986Yahoo! Europe
AS41012The Cloud Networks Limited
AS6911Pro-Net Internet Services Ltd
AS41793On-Communications Ltd
AS41968Serversure Ltd.
AS41231Canonical Ltd
AS41342Durrants-Press-Cuttings-NET
AS4135734SP.com Ltd.
AS41362Brightgrey ltd
AS41380Ald Automotive Ltd
AS42009AVR Group Limited
AS41548Medway Council
AS41695Vostron Ltd
AS41769Voicenet Solutions Limited
AS42010ITPS Ltd
AS42284Cameron
AS56595Fluency Communications Limited
AS42356France Television
AS42359The Football Association Ltd.
AS42436Consumers Association Ltd
AS51212Create Internet Ltd
AS42537AutoOnline GMBH
AS42634Stoke-on-Trent City Council
AS42663GLG Partners LP
AS58192WEBB2B.CO.UK LTD
AS42853Pearson Education Ltd.
AS42880Hewlett Packard Limited
AS43367Interactive Web Solutions Ltd
AS44037COBBETTS LLP
AS48303Pannone LLP
AS48639Rentsmart ltd
AS51059Brightbox Systems Ltd
AS43408SecureData Europe Limited
AS43422Xchanging Global Insurance Solutions Limited
AS43436Groupe LE FIGARO
AS43486Mizuho Securities USA
AS43520Meytel Publicidad S.L.
AS47671Continuum Hosting Limited
AS50088Fort Technologies
AS8401Mailbox Networks
AS8513SkyVision Global Networks Ltd
AS8548Net Northwest
AS43584Maytech Communications Ltd
AS43620Syan Limited Hosting
AS43838Education Bradford
AS43979Louis Capital Markets UK LLP
AS50286Link up Mitaka Limited
AS44268JCB Excavators Ltd
AS44292SpinVox Ltd
AS44356Epsilon Telecommunications Ltd
AS443782ergo Ltd.
AS44403Bristol City Council
AS44437AHORRO CORPORACION
AS44548CMC Markets Plc
AS49695My JobGroup Ltd
AS44671Skyline Networks & Consultancy Ltd
AS44791Audio Visual Machines Ltd
AS44829MSCI Barra SA
AS47113SLP Core WAN
AS47130Verlagsgruppe NEWS GmbH
AS47264Ping Networks Limited
AS50028Mvision Video Networks Ltd
AS47367Torbay Economic Development Company Limited
AS47393WPP Group Technology Service
AS47400Bank Sal. Oppenheim jr. & Cie (Schweiz) AG
AS47449Snow Valley Limited
AS48779AEI Media Ltd
AS50541Virtek Limited
AS51043Aspire Technology Solutions Ltd
AS47514COMPU-MARK
AS47535Javelin Broadband Ltd
AS47539Microgen Management Services Limited
AS47549Hosting Systems Ltd
AS47572Ticketmaster UK Ltd
AS47603Tptp Ltd
AS47622Datatech UK Ltd
AS47631Carter Allen PLC
AS47669365 Media Group
AS47738CTC KINGSHURST ACADEMY
AS47797ESSEX COUNTY COUNCIL
AS47856Delta Productions Ltd
AS47871Newsquest Media Group Ltd
AS47998Media Service Provider Ltd.
AS48003Wm Morrison Supermarkets Plc
AS48018MTB Computer Services Ltd
AS48070DSM (GB) Limited
AS48210Bonne Terre Ltd
AS48273essensys Ltd
AS48294Spectrum Internet Ltd
AS48325Birmingham Science Park Aston Ltd
AS48342Deloitte & Touche Irl
AS48375Tibra Trading Europe Limited
AS48404Basepoint Centres Ltd
AS48577The Chief Fire Officers Association
AS48632BTS Holdings PLC
AS48718LBM Direct Marketing Limited
AS48906ERGO Insurance Service GmbH
AS48954AIMES GRID SERVICES COMMUNITY INTEREST COMPANY
AS48992Core Education and Consulting Solutions (UK) Ltd
AS49049Bath North East Somerset Council
AS51048Next Connex Ltd.
AS49212REALE SEGUROS GENERALES
AS49324Nottingham City Council
AS51320Wirelesslogic Ltd
AS49487Zamir Telecom Limited
AS49525PARADOX ENGINEERING SAGL
AS49615Ardmore Construction Limited
AS49694Three X Managed Services
AS49726Sandwell Metropolitan Borough Council
AS49728Herefordshire Council
AS49765Comms365 Limited
AS49823Hastingwood Securities Ltd
AS49868ANITE BUSINESS SYSTEMS LTD
AS49928Prisacom S.A.
AS56474Computacenter Mid-Market Data Centres
AS50184Mesh Internet Ltd
AS50202Hiscox Underwriting Group Services LTD
AS50246360 Treasury Systems AG
AS50271MESPMOTA-ENGIL SERVICOS PARTILHADOS ADMINISTRATIVOS E DE GESTAO S.A.
AS50287Audatex (UK) Ltd
AS51553Telecom Plus PLC
AS50300Custodian Ltd.
AS5462Virgin Media Limited
AS8426ClaraNET LTD
AS50422Royal Bank of Scotland plc
AS50432Royal Bank of Scotland plc
AS50510Cancer Research UK
AS50743Commensus PLC
AS50746Britannic Technologies Ltd
AS50813PAY AND SHOP LIMITED
AS510054D Interactive Ltd
AS51439Chartis UK Services Ltd
AS52215HAMPSHIRE COUNTY COUNCIL
AS57784NDS Limited
AS57850Northumbrian Water Ltd
AS8220COLT Technology Services Group Limited
AS8669Total Web Solutions Ltd
AS50910Mainstream Digital Ltd
AS50965LEONHARD KURZ STIFTUNG and CO. KG
AS51047Turtle Networks Ltd
AS51049Pensionkassernes Administration A/S
AS51063Fujitsu Telecommunications Europe Ltd
AS51072NHS CAMDEN
AS51113Elekta
AS51222CMC MARKETS PLC
AS51551Updata Infrastructure (UK) Limited
AS51704South West Grid for Learning Trust Ltd.
AS51736Brit Group Services Limited
AS52063SystemIP Ltd
AS52220BAWAG P.S.K. Bank fuer Arbeit und Wirtschaft und Oesterreichische Postsparkasse Aktiengesellschaft
AS5482Daisy Communications Ltd
AS5564Brightsolid Ltd
AS57099Boundless Communications Limited
AS57750NDS Group Ltd
AS6899Netstore Ltd UK now 2e2 Ltd
AS5600Total Connectivity Providers Ltd
AS56464Vibrant Media Ltd
AS56518PacketPipe Ltd.
AS58148Ironside Systems Ltd.
AS56640BAIN AND COMPANY INC. UNITED KINGDOM
AS5669Interoute Communications Limited
AS57403ORC Software AB
AS8844CI-Net Limited AS
AS8651Mitsubishi UFJ Securities International plc
AS9084Goldman Sachs International ULC
AS9115Internet Names For Business
AS8272Netscalibur UK Ltd
AS8276Roguepacket Networks
AS8356Neo-Tel Ltd.
AS8419Maxima Managed Services (Formerly: Hotchilli/DXI)
AS8468ENTANET International Limited
AS8546Your Communications Ltd
AS8607Timico Ltd
AS9142Netline UK Ltd
Rest of
World
AS12702Verizon Business EMEA - IPv6 only
AS12740OMX Technology AB
AS12787Mirror-Image Internet
AS13191netAxis
AS13207Caprock UK Limited
AS13258Centrica Plc
AS15375Commerzbank
AS15395UK Rackspace
AS15418Fasthosts Internet Ltd. Gloucester
AS15519Venda Limited
AS15572Betrusted
AS15635Yahoo! Europe
AS15654Civica UK Ltd.
AS15697BT Ignite Intercontinental Satellite Video Streaming
AS15740ABN AMRO
AS15769Deutsche Bank AG
AS15917CSC Computer Sciences Ltd
AS15951Dow Jones & Company
AS15961ATTENDA-UK
AS16096The Sporting Exchange Ltd
AS16162London Web Ltd
AS16174Intuitiv
AS16238Telecom2 Ltd.
AS16334Sureline Communications Limited
AS196839Virtual Universe LTD
AS196881Liberty-izone Ltd
AS196950The Carphone Warehouse Limited
AS197017NICEIC Group Ltd
AS197101Bellingham Telecoms Ltd
AS197122Affinion International Ltd
AS197282Wood Group Management Services Ltd
AS197651THE HUT.COM LIMITED
AS197782Freezone Internet Limited
AS197822Varidion Limited
AS197832Navisite
AS197872Electronic Arts Limited
AS197980Actimax Limited
AS198082Synetrix (Holdings) Limited
AS198136AGENCYPORT SOFTWARE EUROPE LTD
AS198294SCHNEIDER ELECTRIC INDUSTRIES SAS
AS198583VETORO UK LIMITED
AS198623iSumo Ltd
AS198723University of Reading
AS198781G3 Network Services Ltd
AS20617AS for BNP Paribas UK Ltd
AS20705HSBC Bank plc
AS20737GNI Trading AS
AS20878Atia Solutions Ltd
AS20944Grupo Ferrovial Network
AS21118Total Fina Elf Gas and Power Services London W1
AS21267Wavenet Limited
AS21301Royal Bank of Scotland plc
AS21327Hutchison 3G UK and Ireland Core AS
AS21346Vistorm Limited
AS24627GULFSATCOMMUNICATIONS COMPANY K.S.C.
AS24650Charles Stanley & Co Ltd
AS24673Firstserv Limited
AS24677Taylor Nelson Sofres
AS24716Interdirect Limited
AS25022TDM Group Limited
AS25028AS for Igroup
AS25135Vodafone Limited
AS25168Mitsui & Co UK Plc
AS25259AS for Glopeop Financial Services
AS25346Tiscali UK Ltd
AS2535BP America
AS25421John Lewis Plc.
AS25426BRAINTEC AS
AS25470Scottish and Southern Energy
AS2868The JNT Association
AS28695TraderMedia Ltd
AS28729AS for Ford Motor Company Ltd
AS28786Endava MS Formerly Internetworking Strategies
AS28816Abel Internet
AS28819E-COMMERA LIMITED
AS28837Vox Mundi LLC.
AS28863Thales Transport and Security Ltd
AS28914Cloud9 Communications Ltd
AS28934Mizuho International PLC
AS29019Hemscott plc
AS29054NSE Global ASN
AS29120AS for Rowe and Maw
AS29197ASN for Nomura
AS29207Shire Pharmceuticals Group PLC UK
AS29265DNS Europe Ltd
AS29400Tullett Liberty
AS29480CC Networks
AS29606Borwood UK Network
AS29646FFastfill UK Limited
AS29669GE Medical Systems Societe en Commandite Simple
AS30756AS For Cendant Group
AS30864Pan-European electronic payment solutions provider
AS30943Utransit International Carrier Limited
AS31015Hill and Knowlton
AS31151Performance Horizon Group LTD
AS31198Telenor UK Ltd
AS31223EA Games
AS31300FT Internet operations
AS31345Internet-Technologies and Systems
AS31426Vision Internet Network
AS31453Lothlorien Consulting Ltd
AS31667Soundmouse LTD
AS3328KCOM Group PLC
AS33921Lebara limited
AS34010Yahoo! Europe
AS34082Yahoo! Europe
AS34164Akamai Technlogies LON ASN
AS34286Aberdeen Journals Ltd
AS34407WAVECREST
AS34437Callserve Communications
AS34697Emerson
AS34737QinetiQ Ltd
AS34745TeleWare plc - AS number
AS34799ISP "Colibri"
AS34930BAA Airports Ltd
AS34933SKY TELECOM AG
AS35017SWIFTWAY
AS35289FTIP002613093 Veritas Software Ltd
AS35544Splendor (UK) Ltd
AS35545Badoo Technologies Limited
AS356708el AS Number
AS35716Merseyrail Electrics 2002 Ltd
AS35791Viastar AS number
AS35831Vnetrix Ltd
AS38936Herman Miller LTD AS Number
AS38966IntraLAN Group PLC
AS38974MediaRing (Europe) Ltd.
AS39097Azzurri Communications Ltd
AS39139Menzies Aviation Plc
AS39717Polestar Interactive Ltd
AS39733Talk24 Ltd.
AS39846Onega Ltd
AS40968Professional Protection Electronic Ltd.
AS41107Backbone Connect Ltd
AS41174Electronic Arts Limited
AS41276Payment Trust Limited
AS41321Fujitsu Technology Solutions GmbH
AS41367Production Services Network (PSN)
AS41383Wolseley UK Limited
AS41393Nasstar Limited
AS41433Research In Motion
AS41493BATS Trading Ltd.
AS41553Reed Managed Services Ltd.
AS41596Willis Group Services Ltd
AS41614TeleDesign Solutions Ltd
AS41840National Grid Plc
AS41963Moneysupermarket.com Ltd.
AS42046Independent Television News Limited
AS42129Serverstream Ltd
AS42179ACCELERATE4 ASN
AS42342First Data Corporation
AS42370C2C Limited
AS42565GTT - EMEA Ltd.
AS42705Talia provides VSAT network and hosting services worldwide.
AS42733Sirec Technologies Limited
AS42761Brinks Ltd
AS42875National Car Parks
AS42944Ticketmaster UK Ltd
AS42958Senior Internet Ltd.
AS43041Plan Ltd
AS43255FINANCIAL SECURITY ASSURANCE UK LTD
AS43313Miniclip SA.
AS43338Rational Services Ltd
AS43383AlwaysON Ltd
AS43424PROCEAU SARL
AS43428Yahoo! Europe
AS43519NOMINET UK
AS43664Thermeon Worldwide Plc
AS43827Environement Agency
AS43835NCC Group Plc
AS44076Mysupermarket Limited
AS44159Lawyers On Line Ltd
AS44251DataComms Europe Ltd
AS44422Wavex Technology Ltd
AS44474Schneider Trading Associates Ltd
AS44557Dragonara Alliance Ltd
AS44745Fidessa PLC
AS44782FXCM Securities Limited
AS44822Syncsort Inc
AS4489124 Seven Communications Ltd
AS44972Cobbett Hill Earth Station Limited
AS45028Barefruit Ltd
AS47121Sensemakers B.V.
AS47296HiFX PLC
AS47426Advitel Ltd
AS47443Velocity1 Limited
AS47523Heidmar UK Ltd
AS47540Tarainform Limited
AS47563Satellite Information Services Ltd
AS47712Velocix Limited
AS47716CorpoLink Ltd.
AS47744Xtend Solutions Ltd
AS47892FTEN Inc
AS47906Attenda Ltd
AS47971Hillside (New Media) Limited
AS48083Getronics UK Limited
AS48214Phorm UK Inc
AS48389Robeco AS Number
AS48397Unipart Group Limited
AS48591Ipreo Ltd
AS48596SAC Global Investors LLP
AS48660Ultra Communications Ltd
AS48686Solstice Technology Ltd
AS48771Semantico Ltd
AS48885Neocarrier Communications
AS48910InterNAP Network Services U.K. Limited
AS48935Automat Limited
AS48945Independent Fibre Networks Limited
AS48967BATS Trading Limited
AS48989Risk Management Solutions Ltd
AS48993Department 7 Limited
AS49209China Telecom (Europe) Ltd
AS49229Eison Ltd
AS49356IT&T-E LTD
AS49546Voicetec Sys Limited
AS49657Transaction Network Services (UK) LTD
AS49751Internet For Everything Ltd.
AS49758Lloyds Banking Group PLC
AS49933Tech Hosting Ltd
AS49937Interactive Sports (C.I.) Limited
AS49999Stonebridge Software Ltd 16-bit AS
AS50456Gage Networks LLP
AS50500ALICAP SOLUTIONS LTD
AS50598Datagate Network Solutions Ltd.
AS50632nU Colocation
AS50648PE UAinet
AS50756River Island Clothing Co. Ltd
AS50764The London Organizing Committee of the Olympic Games Limited
AS50833Fiber Telecom Ltd
AS50932Mesh Digital
AS51006ZEN Network Technologies Ltd
AS51329CONNECTION NETWORKS L.P.
AS51332CONNECTION NETWORKS L.P.
AS51479CONNECTION NETWORKS L.P.
AS51498CONNECTION NETWORKS L.P.
AS51720Fujitsu Technology Solutions GmbH
AS51818Genus PLC
AS51823Microtalk Telecommunications Limited
AS51845Waterstons Limited
AS51946University of Newcastle upon Tyne
AS51965Monecor (London) Ltd
AS51999AdultEUhost Ltd
AS52076AlgoSpan Limited
AS52221Vibe Communications UK Ltd
AS53335BlueCrest Capital Management LP
AS5551Cable & Wireless UK P.U.C.
AS5586MCI International (Europe and North Africa)
AS5587Legend Communications plc.
AS5596T-Mobile Hungary Telecommunications Company Limited by Shares
AS56325DIOGELO LTD.
AS56396Turn Europe (UK) Ltd.
AS56565Manor IT (UK) Limited
AS56775LADBROKES IT & SHARED SERVICES LIMITED
AS57156ANS Group Plc
AS57408Reed Smith LLP
AS57511OvalTech Internet Ltd.
AS57586VENSERVE VENTURES LLP
AS57624Beeks Trading Corporation Ltd
AS57652London Telecom Exchange LTD
AS57668Santrex Internet Services Ltd.
AS57669DediPower Managed Hosting Limited
AS57894Incon Limited
AS57935NEXON Europe S.A.R.L.
AS58144THE STREAMING COMPANY.COM LIMITED
AS58226Pearson Harper Ltd
AS6660Cable & Wireless UK P.U.C.
AS6838The Flirble Internet Exchange
AS6859KCPweb
AS8266Nexus Telecommunications Ltd
AS8296H Bauer Publishing Ltd
AS8718Datastream International
AS8987Amazon Data Services Ireland Ltd
AS9161Poundbury Systems Ltd.
AS9194MCI WorldCom Advanced Networks
Visualizing IPv6 routing within Hungary
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 15
Caveat: Not all links will show within these graphs
IPv4 &
IPv6
AS12301Invitel Tavkozlesi Zrt.
AS12589Magyar Posta Zrt
AS15953Kereskedelmi es Hitelbank Rt. Hungary
AS16015CIB bank e-commerce provider Budapest
AS197112Jacsa.NET Kft
AS197750NK Services (Magyarorszag) Kft.
AS197886Flashnet Bt.
AS197889Microsystem-Kecskemet Kft
AS20882Inform Media Kft.
AS20922Invitel Tavkozlesi Zrt. AS21186
MTI-1AS21209
MKB
AS24690Szerencsjatek Zrt
AS24794IBCNet Hungary Ltd.
AS24991Datatrans Internet Ltd. H-8000 Szekesfehervar HUNGARY
AS25539Hungarian Power System Operator Co.
AS28728The AS includes the network infrastructure of Infornax
AS29078GE Hungary Ipari es Kereskedelmi Kft
AS30723Fotexnet Kft.
AS30942iSAFE Zrt.
AS31219Menthanet Ltd
AS33937SF Hungary Kft.
AS33954Allianz Hungaria biztosito AS
AS34262Biogal-Teva Pharma Ltd
AS34489Pannon Pipics Ltd.
AS34563Microsec Szamitastechnikai Fejleszt Kft.
AS35311AS for PR-TELECOM
AS40989EGIS Pharmaceuticals Plc.
AS41183NAtional Bank of Hungary
AS41509KBC Equitas Zrt.
AS41627Pick-Up Ltd.
AS41885Hungaro DigiTel Tavkozlesi Korlatolt Felelossegu Tarsasag
AS42759Scientific Games Szerencsejatek Szolgaltatasok Kft
AS43749NAVIGATOR Informatika Ltd.
AS43876UniCredit Business Integrated Solutions S.C.p.A Magyarorszagi Fioktelepe
AS43931WizzAir Hungary Kft.
AS442644Voice Ltd.
AS44376General Informatics Company of Szarvas City
AS44768S & T Unitis Hungary Ltd.
AS44991Grepton Informatics PLC.
AS47421Biatorbagyi Kabeltv Kft.
AS47885HostOffice Kft.
AS48714Expressz Magyarorszag Zrt
AS48829Sykes Kozep-Europa Kft.
AS48965B.net Hungaria
AS50689WANNET Korlatolt Felelossegu Tarsasag
AS51232PCE Paragon Solutions kft.
AS51438Boly city local government
AS51843Tata Consultancy Services Limited Magyarorszagi Fioktelepe
AS5554Integra Information Co. Ltd
AS5594Lufthansa Systems Hungaria
AS6784MOL
AS8229KiberNet Ltd.
AS8696Invitel Tavkozlesi Zrt.
AS12303Council of Hungarian Internet Providers
AS12594EXTERNET
AS15467Enternet 2001 Ltd.
AS42205Net-TV
AS15545Alba Internet Ltd.
AS56322Azar-A Kft.
AS15555Magyar Telekom plc.
AS15629csn.Systems Informatics Ltd.
AS15801MARKETORG
AS16280BORSODCHEM Zrt
AS196732Random Capital Zrt.
AS196970Farago Sandor EV
AS197248Dravanet Co Ltd.
AS21229Dravanet Co Ltd.
AS197523DV Info Informatikai Kft
AS197862Netfone Kft
AS576973 LAN Kereskedelmi es Szolgaltato Beteti Tarsasag
AS20510Nexum
AS20523Novotron Informatikai Rt.
AS20568Antenna Hungaria Broadcast and Telecommunication Corporation
AS20624Euronet
AS20742Internet4U Kereskedelmi es Szolgaltato Kft.
AS20845DIGI Ltd.
AS57657Nicom Wireless Kft.
AS21136CSUCS
AS32443c. Kft.
AS21381NETLOCK Internet Security Ltd.
AS24822OPTICON Telekommunikacios Halozati Szolgaltato
AS28924INTEGRITY Informatics Ltd.
AS29183AS of Buda-Cash Plc.
AS29278Deninet KFT
AS33947WLA Interservices Ltd.
AS34655Docler Networks
AS41075ATW Internet Kft.
AS41091ZL Rendszerhaz Kft.
AS41457A1 Ltd. AS42864
Giganet Internet Szolgaltato Kft
AS42964SigmaNet Szolgaltato es Kereskedelm Ltd
AS43711Szervernet Ltd.
AS49857Inclust System Ltd.
AS5507Council Hungarian Internet Provider
AS57389ZNET-Mikronet Kft.
AS3083623VNET Ltd.
AS30904National Infocommunications Service Company Limited by Shares
AS30917Budapest Hitel- es Fejlesztesi Bank Nyrt
AS31297Axian Kft.
AS31581National Infocommunications Service Company Limited by Shares
AS3219HU-GOVNET
AS3340GTS Hungary Ltd.
AS35792Takinfo Ltd
AS41694Raiffeisen Bank Zartkoruen Mukodo Reszvenytarsasag
AS42185Budapest Gas Works Co.
AS43187Deloitte Advisory and Management Consulting Ltd.
AS43710First Data Hungary Ltd
AS43860Dijbeszedo Holding Zrt
AS47169MVM NET Zrt.
AS47324KDB Bank Hungary Ltd.
AS47979Provident Financial Co.
AS49180Bricostore Hungaria Kft
AS50031Zalaszam Informatika Kft.
AS51275Viacom Informatics Ltd.
AS6790GTS Hungary Telecommunications Limited Liability Company
AS8358GTS Hungary Tavkozlesi Ktf.
AS8512SULINET
AS8990"ANTENNA HUNGARIA" Magyar Musorszoro es Radiohirkozlesi Zartkoruen Mukodo Reszvenytarsasag
AS34059SPAR Magyarorszag Kereskedelmi Kft
AS34226RubiCom Ltd.
AS44302NETregator Kft.
AS47381EasyGO Kft.
AS50261ACE Telecom Kft
AS57747Netkontakt Kft.
AS35051QwertyNet Ltd.
AS35263RLAN96 Ltd.
AS44789HIR-SAT 2000 Szolgaltato es Kereskedelmi Kft.
AS39844KFKI-LNX Network Intergration Ltd.
AS41251XELLA Hungary Ltd
AS41903FHB Jelzalogbank AS
AS42232PARISAT
AS42367Zelka Zrt.
AS42854Generali-Providencia Insurance Co.
AS43529ViDaNet Cable Television Provider Ltd
AS43928MVMI Informationtechnologies Service Centre Ltd.
AS48893Telemedia InteracTV Ltd
AS44419Vac City KabelTV Ltd.
AS44460Azonnal Kft.
AS44651Com.unique Telekommunikacios Szolgaltato Kft.
AS44911Business Telecom Kft.
AS44945Olah es Tarsa Kereskedelmi es Szolgaltato Kft
AS47116IP-Park Kft.
AS47159Celldomolki Kabeltelevizio Kft.
AS8462Tarr Kft.
AS8321ALARMIX Hungary
AS49090Budapest Stock Exchange Ltd
AS49202HostOffice Kft.
AS49944OzdKabel-Tv
AS50181KabelszatNet-2002. Musoreloszto es Kereskedelmi Kft.
AS8448Telenor Hungary Telecommunications Plc.
AS51096Hungarian Chamber of Civil Law Notaries (Magyar Orszagos Kozjegyzoi Kamara)
AS51356KabelNet-Lan Kft.
AS5483Magyar Telekom plc.
AS5513T-Mobile Hungary
AS8294FORNAX Ltd.
AS56584DBH Business Support Kft
AS8536QwertyNet - Public Internet Access Provider
Rest ofWorld
Visualizing IPv6 routing within Hungary (cont)
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 16
Caveat: Not all links will show within these graphs
IPv4 &
IPv6
AS12301Invitel Tavkozlesi Zrt.
AS12589Magyar Posta Zrt
AS15953Kereskedelmi es Hitelbank Rt. Hungary
AS16015CIB bank e-commerce provider Budapest
AS197112Jacsa.NET Kft
AS197750NK Services (Magyarorszag) Kft.
AS197886Flashnet Bt.
AS197889Microsystem-Kecskemet Kft
AS20882Inform Media Kft.
AS20922Invitel Tavkozlesi Zrt. AS21186
MTI-1AS21209
MKB
AS24690Szerencsjatek Zrt
AS24794IBCNet Hungary Ltd.
AS24991Datatrans Internet Ltd. H-8000 Szekesfehervar HUNGARY
AS25539Hungarian Power System Operator Co.
AS28728The AS includes the network infrastructure of Infornax
AS29078GE Hungary Ipari es Kereskedelmi Kft
AS30723Fotexnet Kft.
AS30942iSAFE Zrt.
AS31219Menthanet Ltd
AS33937SF Hungary Kft.
AS33954Allianz Hungaria biztosito AS
AS34262Biogal-Teva Pharma Ltd
AS34489Pannon Pipics Ltd.
AS34563Microsec Szamitastechnikai Fejleszt Kft.
AS35311AS for PR-TELECOM
AS40989EGIS Pharmaceuticals Plc.
AS41183NAtional Bank of Hungary
AS41509KBC Equitas Zrt.
AS41627Pick-Up Ltd.
AS41885Hungaro DigiTel Tavkozlesi Korlatolt Felelossegu Tarsasag
AS42759Scientific Games Szerencsejatek Szolgaltatasok Kft
AS43749NAVIGATOR Informatika Ltd.
AS43876UniCredit Business Integrated Solutions S.C.p.A Magyarorszagi Fioktelepe
AS43931WizzAir Hungary Kft.
AS442644Voice Ltd.
AS44376General Informatics Company of Szarvas City
AS44768S & T Unitis Hungary Ltd.
AS44991Grepton Informatics PLC.
AS47421Biatorbagyi Kabeltv Kft.
AS47885HostOffice Kft.
AS48714Expressz Magyarorszag Zrt
AS48829Sykes Kozep-Europa Kft.
AS48965B.net Hungaria
AS50689WANNET Korlatolt Felelossegu Tarsasag
AS51232PCE Paragon Solutions kft.
AS51438Boly city local government
AS51843Tata Consultancy Services Limited Magyarorszagi Fioktelepe
AS5554Integra Information Co. Ltd
AS5594Lufthansa Systems Hungaria
AS6784MOL
AS8229KiberNet Ltd.
AS8696Invitel Tavkozlesi Zrt.
AS12303Council of Hungarian Internet Providers
AS12594EXTERNET
AS15467Enternet 2001 Ltd.
AS42205Net-TV
AS15545Alba Internet Ltd.
AS56322Azar-A Kft.
AS15555Magyar Telekom plc.
AS15629csn.Systems Informatics Ltd.
AS15801MARKETORG
AS16280BORSODCHEM Zrt
AS196732Random Capital Zrt.
AS196970Farago Sandor EV
AS197248Dravanet Co Ltd.
AS21229Dravanet Co Ltd.
AS197523DV Info Informatikai Kft
AS197862Netfone Kft
AS576973 LAN Kereskedelmi es Szolgaltato Beteti Tarsasag
AS20510Nexum
AS20523Novotron Informatikai Rt.
AS20568Antenna Hungaria Broadcast and Telecommunication Corporation
AS20624Euronet
AS20742Internet4U Kereskedelmi es Szolgaltato Kft.
AS20845DIGI Ltd.
AS57657Nicom Wireless Kft.
AS21136CSUCS
AS32443c. Kft.
AS21381NETLOCK Internet Security Ltd.
AS24822OPTICON Telekommunikacios Halozati Szolgaltato
AS28924INTEGRITY Informatics Ltd.
AS29183AS of Buda-Cash Plc.
AS29278Deninet KFT
AS33947WLA Interservices Ltd.
AS34655Docler Networks
AS41075ATW Internet Kft.
AS41091ZL Rendszerhaz Kft.
AS41457A1 Ltd. AS42864
Giganet Internet Szolgaltato Kft
AS42964SigmaNet Szolgaltato es Kereskedelm Ltd
AS43711Szervernet Ltd.
AS49857Inclust System Ltd.
AS5507Council Hungarian Internet Provider
AS57389ZNET-Mikronet Kft.
AS3083623VNET Ltd.
AS30904National Infocommunications Service Company Limited by Shares
AS30917Budapest Hitel- es Fejlesztesi Bank Nyrt
AS31297Axian Kft.
AS31581National Infocommunications Service Company Limited by Shares
AS3219HU-GOVNET
AS3340GTS Hungary Ltd.
AS35792Takinfo Ltd
AS41694Raiffeisen Bank Zartkoruen Mukodo Reszvenytarsasag
AS42185Budapest Gas Works Co.
AS43187Deloitte Advisory and Management Consulting Ltd.
AS43710First Data Hungary Ltd
AS43860Dijbeszedo Holding Zrt
AS47169MVM NET Zrt.
AS47324KDB Bank Hungary Ltd.
AS47979Provident Financial Co.
AS49180Bricostore Hungaria Kft
AS50031Zalaszam Informatika Kft.
AS51275Viacom Informatics Ltd.
AS6790GTS Hungary Telecommunications Limited Liability Company
AS8358GTS Hungary Tavkozlesi Ktf.
AS8512SULINET
AS8990"ANTENNA HUNGARIA" Magyar Musorszoro es Radiohirkozlesi Zartkoruen Mukodo Reszvenytarsasag
AS34059SPAR Magyarorszag Kereskedelmi Kft
AS34226RubiCom Ltd.
AS44302NETregator Kft.
AS47381EasyGO Kft.
AS50261ACE Telecom Kft
AS57747Netkontakt Kft.
AS35051QwertyNet Ltd.
AS35263RLAN96 Ltd.
AS44789HIR-SAT 2000 Szolgaltato es Kereskedelmi Kft.
AS39844KFKI-LNX Network Intergration Ltd.
AS41251XELLA Hungary Ltd
AS41903FHB Jelzalogbank AS
AS42232PARISAT
AS42367Zelka Zrt.
AS42854Generali-Providencia Insurance Co.
AS43529ViDaNet Cable Television Provider Ltd
AS43928MVMI Informationtechnologies Service Centre Ltd.
AS48893Telemedia InteracTV Ltd
AS44419Vac City KabelTV Ltd.
AS44460Azonnal Kft.
AS44651Com.unique Telekommunikacios Szolgaltato Kft.
AS44911Business Telecom Kft.
AS44945Olah es Tarsa Kereskedelmi es Szolgaltato Kft
AS47116IP-Park Kft.
AS47159Celldomolki Kabeltelevizio Kft.
AS8462Tarr Kft.
AS8321ALARMIX Hungary
AS49090Budapest Stock Exchange Ltd
AS49202HostOffice Kft.
AS49944OzdKabel-Tv
AS50181KabelszatNet-2002. Musoreloszto es Kereskedelmi Kft.
AS8448Telenor Hungary Telecommunications Plc.
AS51096Hungarian Chamber of Civil Law Notaries (Magyar Orszagos Kozjegyzoi Kamara)
AS51356KabelNet-Lan Kft.
AS5483Magyar Telekom plc.
AS5513T-Mobile Hungary
AS8294FORNAX Ltd.
AS56584DBH Business Support Kft
AS8536QwertyNet - Public Internet Access Provider
Rest ofWorld
Visualizing IPv6 routing within Austria
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 17
Caveat: Not all links will show within these graphs
IPv4 &
IPv6
AS12311International Atomic Energy Agency
AS12401INTERNIC
AS12447Ernst Klingler Kabelfernsehen Gmbh
AS12453KRAFTCOM Bernhard KRAFT
AS12577mmc kommunikationstechnologie gmbh
AS12605LIWEST Kabelmedien GmbH
AS28760Infotech EDV-Systeme GmbH
AS28835Oberoesterreichische Media Data Vertriebs- und Verlags GmbH
AS31439OOe Tourismus Technologie GmbH
AS12614SPEEDNIC S.R.L.
AS12635Orange Austria Telecommunication GmbH
AS12694Georg Hitsch
AS12762VTG
AS12766MAGNA STEYR Fahrzeugtechnik AG und Co KG
AS12793Telekom Austria TA AG
AS12895s IT Solutions AT Spardat GmbH
AS24647s IT Solutions AT Spardat GmbH
AS12971BIOS Internet Handels- und Dienstleistungs GesmbH
AS31239Internet Viennaweb Service GmbH
AS12991Amt der OOe. Landesregierung
AS13022Streams Telecommunicationsservices GmbH
AS13026Manuel Kahr
AS13042Oesterreichische Nationalbank
AS13064CNet
AS13068Wiener Borse AG
AS13292BK-DAT Electronics e.U.
AS13298SOS-Kinderdorf International
AS15427Elektronische Datenverarbeitung GmbH
AS15498CPSnet EDV
AS15655MANZ Solutions GmbH
AS15702Onstage-Online
AS15733Zumtobel AG
AS15824A1 Telekom Austria AG
AS15910Fabasoft AG
AS15939Deloitte & Touche
AS15942Libratel IP Communications GmbH
AS16049tipas Internetsysteme GmbH
AS16051Net Professionals GmbH
AS16081IBM-AT
AS16099Hauptverband der oesterreichischen Sozialversicherungstraeger
AS16105IDEAL
AS16195IXBONE Telekom Service GmbH
AS16305mobilkom austria AG
AS16314KAV Wien
AS16364Sony DADC Austria AG
AS16381OEAMTC Verband
AS1853ACOnet Backbone
AS197999Michael Gamsjaeger PE
AS20537Amt d. NOE Landesregierung
AS20704www.funknetz.at GmbH
AS20751Manfred Jambor
AS21013AS ITandTel
AS21213CYBERSERVICE Internetdienstleistungs GmbH
AS21360Empirion Telekommunikations Services GmbH
AS24864Raiffeisen Informatik GmbH
AS24953NETPLANET MAIN AS
AS24992DIC Online Wolf & Co. KG
AS25011OeBB Infrastruktur AG
AS25255Hutchison 3G Austria GmbH
AS25575Ledl.net GmbH
AS28857CSC Computer Sciences Consulting Austria GmbH
AS28889LinzNet Internet Service Provider GmbH
AS29056Citycom Telekommunikation GmbH
AS29287Wien Energie GmbH
AS29545iPlace Internet & Network Services GmbH
AS30971nic.at Internetbetriebs- und Verwaltungsgmbh.
AS31510Innsbrucker Kommunalbetriebe AG
AS31543myNET Internet Solutions
AS3330OEBB Telekom Service GmbH
AS33890PXP Software Austria AG
AS34183Bundesministerium f. Gesundheit
AS34347AS for citynet@hall (Stadtwerke Hall in Tirol GmbH)
AS35339AtNOC
AS35369lagis Internet Serviceprovider GmbH
AS38955World4You Internet Services GmbH
AS39478ASFiNAG AS Number
AS39837mur.at - Verein zur Foerderung von Netzwerkkunst
AS41491Stadtwerke Kapfenberg
AS41915Land- forst- und wasserwirtschaftliches Rechenzentrum GmbH
AS42685Bundeskanzleramt
AS43957WNT Telecommunication GmbH
AS44765MakeNewMedia Communications GmbH
AS47515Bundesministerium fuer Inneres
AS48362Stadtwerke Feldkirch
AS49488nic.at Internet Betriebs- und Verwaltungs GmbH
AS49808OOE. Ferngas Service GmbH
AS49856ACONET
AS51066Austro Control Oesterreichische Gesellschaft
AS5385TELEPORT Consulting und Systemmanagement GmbH
AS5403APA-Media-Network
AS56833Thaller-Wagner OG
AS6720Magistrat der Stadt Wien
AS679Vienna University of Technology
AS6798Net4You GmbH
AS6830UPC Broadband Holding B.V.
AS760University of Vienna
AS8245Video-Broadcast GmbH
AS8339Kabelsignal AG
AS8387T-Systems Austria GesmbH
AS8412T-Mobile Austria GmbH
AS8445SALZBURG AG
AS8596hotze.com GmbH
AS8692Bundesrechenzentrum GmbH
AS196697Danube Data Center GmbH
AS196897Elektro Grottenthaler
AS196913Wallak Informatics GmbH
AS197082Zuers.net Betriebs GmbH
AS197198Offsetdruckerei Schwarzach GesellschaftmbH
AS197243Thrixxx Software GmbH
AS197636UniCredit Business Integrated Solutions Austria GmbH
AS197836OMV Gas GmbH
AS197964Julius Blum GmbH
AS34502Multikom Austria Telekom GmbH
AS39878Peter Rauter GmbH
AS43771MUKI VVAG AS
AS49790D.I. Ernst Kern GmbH & Co KG
AS198244Austrian Power Grid AG
AS198339F.TV Programmgesellschaft mbH
AS198650APPLIED CHEMICALS Handels-GmbH
AS198798IFO.net Internet Service GmbH
AS198950Ortsantennenbau Ausserfern GmbH&CoKG
AS198980Lovely Systems GmbH
AS20684TUEV Austria
AS31702GrECo International Holding AG
AS41363Alpha NetWork
AS43365Raiffeisen Centrobank AG
AS49299GRECO Direct Holding GmbH
AS49660FH Campus Wien
AS33833CAT ColoBase KG
AS20935Oesterreichische Beamtenversicherung
AS25089Greiner KG
AS28919Stadtwerke Kufstein GmbH
AS34694Stadtwerke Woergl GmbH
AS34785ASN Stadtwerke Klagenfurt AG
AS39285Gartner KG
AS39555Stadtwerke Schwaz GmbH.
AS41384x-tention Informationstechnologie GmbH
AS42473ANEXIA Internetdienstleistungs GmbH
AS43848Gamsjaeger Kabel TV & ISP Betriebs GmbH
AS44760Skidata AG
AS51187HABAU Hoch- und Tiefbau GmbH
AS21039Steweag-Steg GmbH
AS21078OOE Ferngas AG
AS21079AS OEKB Oesterreichische Kontrollbank
AS21303Lemon42 IT
AS25447JM-DATA
AS21362DaimlerChrysler Computing Services GmbH
AS24656Allgemeines Rechenzentrum
AS24708GRZ IT Center Linz GmbH
AS24777Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization
AS24792Kitzbuehler Stadtwerke Cable Provider
AS24847OeVAG - Oesterreichische Volksbanken AG
AS34474KEBA AG
AS35646Grazer Wechselseitige Versicherungs-AG
AS48339Raiffeisen Rechenzentrum Sued GmbH
AS47692Nessus Internet Dienstleistungs GmbH
AS25012Wien IT EDV Dienstleistungsgesellschaft mbH AND Co KG
AS25126TIWAG-Tiroler Wasserkraft AG
AS25445Austriacard GmbH
AS35370Ainet Telekommunikations-Netzwerk Betriebs GmbH
AS50920Kabel-Braunau GmbH
AS25522TraviAustria Datenservice fur Reise und Touristik GMBH & CO. NFG. KG
AS28701Ing. Buero Lenz & Moser GmbH
AS28771[organization]: Flughafen Wien AG
AS28839United Nations Office at Vieanna
AS28848United Nations Industrial Development Organization
AS28960Drei-Banken-EDV GmbH
AS28981ET Multimedia AG
AS29143Magistrat Graz
AS31473Infonova GmbH
AS41198Atronic Austria GmbH
AS41437KNAPP AG
AS42729FunkFeuer Graz - Verein zur Foerderung freier Netze
AS44329NTS Netzwerk Telekom Service AG
AS47106Anton Paar GmbH
AS48735DELTA Digital Friesenbichler & Co Ges.m.b.H
AS57216Oesterreichisches Rotes Kreuz
AS29081WVNET Information und Kommunikation GmbH
AS43002Adolf Popp
AS29085Porsche Holding GmbH
AS29161of Verbund AG
AS29198Schenker und Co. AG
AS29395Webquake eBusiness Consulting GmbH
AS29429Allianz Elementar Versicherungs AG
AS29633AS for Kaerntner Elektrizitaets AG
AS29643KB-ENDLOS Krois & Bichler GmbH
AS29677IMTECH ICT Austria GmbH
AS30739Lenzing AG
AS30946RIS Gmbh Regionales Informationssystem
AS5404ASN conova communications GmbH
AS31125Linetec Automation GmbH
AS31146Ebner Industrieofenbau Ges.m.b.H.
AS31152Engel Austria GmbH
AS47592AC-networks EDV-Technik
AS31361unit-IT Dienstleistungs GmbH & Co KG
AS31382KAPSCH AG Austria
AS31394nemox.net
AS31457EOS Data Systems GmbH
AS50180Med-El Elektromedizinische Geraete GmbH.
AS8940Tiscover GmbH
AS31668EDV-Dienstleistungen Rappaport GmbH & Co KG
AS31903-S-IT Dienstleistungen GmbH
AS3248SILVER SERVER GmbH
AS34964Ripe-NetWorks e.U.
AS35492FunkFeuer
AS35609Smart Force eU ASN
AS39393Nokia Siemens Networks Oesterreich GmbH
AS39460Wien-Kanal MA30
AS39879SVC Sozialversicherungs-Chipkarten Betriebs- und Errichtungs GmbH
AS42858Limberger Handels GmbH
AS43913Oesterreichische Agentur fuer Gesundheit und Ernaehrungssicherheit GmbH
AS44353pressetext Nachrichtenagentur GmbH
AS44865derStandard.at GmbH
AS48943KAPPER NETWORK-COMMUNICATIONS GmbH
AS49322ViM Internetdienstleistungen GmbH
AS51184mediainvent Service GmbH
AS51505Valartis Bank (Austria) AG
AS51890Mayr-Melnhof Karton GmbH
AS56332RMC system-solution GmbH
AS57693Cards & Systems EDV Dienstleistungs GmbH
AS35765Gemeindewerke Telfs Ges.m.b.H
AS39560KT-Net Communications GesmbH
AS33800TAB Austria Holding GmbH
AS33841Funworld AG Schoerfling
AS33872Alpha Medien Service GesmbH
AS33917Sozialdemokratische Partei Oesterreichs
AS33992mass response Service GmbH
AS34735LKW Walter Internationale Transportorganisation AG
AS34767Otto M. Steinmann e.U.
AS34885Erzdioezese Salzburg AS
AS34905BWT AG
AS35052Vienna University
AS351074G Solutions GmbH
AS35317Constantia Teich GmbH
AS44286crossip communications gmbh
AS39394NeoTel Telefonservice GmbH AS
AS42061LINZ STROM GmbH fuer Energieerzeugung
AS44462Stadtwerke Muerzzuschlag GmbH
AS35372Vossen AG & Co KG
AS35423Josef Pircher BetriebsGmbH
AS35458Avenum Technologie GmbH
AS35698Oesterrreichische Salinen AG
AS38967Wirtschaftskammer Oesterreich
AS38977Silhouette International Schmied AG
AS39057DVT-Daten-Verarbeitung-Tirol GmbH
AS39210CATV Kabelmedien reg. Genossenschaft m.b.H.
AS39359UC4 Software GmbH
AS39372Pyhrn-Priel TV´s AS Number
AS39508IMTECH ICT Austria GmbH
AS39518Oberoesterr. Gebietskrankenkasse - Forum Gesundheit
AS56424Tyrolit - Schleifmittelwerke Swarovski K.G.
AS39885PayLife Bank GmbH
AS39912i3B - Internetbreitband GmbH
AS41144JPE Consulting Ltd
AS41905Phorus GmbH Co KEG
AS44133Aloy Bhatia Hava OG
AS44385NA-NET Communications GmbH
AS44752xpirio Telekommunikation & Service GmbH
AS49014Wirtschaftskammer Oesterreich
AS50047UCND United City Network Development GmbH
AS50226netcompany - WLAN Internet Provider GmbH
AS50351card complete Service Bank AG
AS50657WestNet Telekommunikations- und Informationsdienstleistungs GesmbH
AS50700eLOGIC Energietechnik GmbH
AS50718Herrmann Fabian
AS50719Jantscher Martin - mySYS Informations Technologie
AS50720Trummer Gerhard Hermann
AS50721Koller Sebastian Karl
AS50931Hamet.net - Bernhard Joebstl-Arbeiter
AS51350Fachhochschule Technikum Wien
AS51413Wirtschaftskammer Kaernten
AS51421Heinrich THURNER
AS5405CSO.Net Telecom Services GmbH
AS56471ACW - Netzwerk Produkte & Dienste GmbH
AS57169EDIS GmbH
AS57763SelfNet Internet Ges.m.b.H.
AS8437UTA.AT Backbone
AS8540ASCUS Telecom GmbH
AS40962CLIP MEDIASERVICE Ges.m.b.H.
AS40982Zeitungsprojekt Verlags GmbH
AS41603ALTOVA GMBH
AS41921Bernecker&Rainer Industrie Elektronik GmbH
AS42076Qpass Austria Content Services
AS42114Rettig Austria GmbH.
AS42257IMD -Informations-AS42378
Rundfunk und Telekom Regulierungs-GmbH
AS42539styrion Internet und eBusiness Services GmbH - AS
AS42783ACP IT Solutions GmbH
AS42882SysUP OG
AS43003Kaufmann Gesellschaft m.b.H.
AS43511emarsys eMarketing Systems AG
AS43522Austria Wirtschaftsservice GmbH
AS43579Krankenhaus der Barmherzigen Schwestern
AS43879EBEWE Pharma GmbH
AS44250Atos Origin Information Technology GmbH
AS44392Salzburger Flughafen GmbH
AS44453interneX GmbH
AS44594Austrian Airlines AG
AS44825Oesterreichisches Rotes Kreuz AS Number
AS45034Nordsee Gesellschaft m.b.H.
AS47120Diamond Informatics GmbH
AS47186Allgemeine Baugesellschaft PORR AG
AS47364Plansee Group Service GmbH
AS47411Kremsmueller Industrieanlagenbau KG
AS47477REWE International Dienstleistungsgesellschaft m.b.H.
AS47641NEUROTH AG
AS47650is-it-on GmbH
AS48151Red Bull GmbH
AS48367Franz Dax GmbH
AS48486Leder und Schuh AG
AS48856Silhouette International Schmied AG
AS49135Wirtschaftskammer Oberoesterreich
AS56672Energie AG Oberoesterreich Data GmbH
AS49864ECS Rockenschaub GmbH
AS50099Volkskreditbank AG
AS50360Schrack Technik GmbH
AS50876Kopernikus IT Systems GmbH
AS51389Pankl Racing Systems AG
AS51556Nellenburg Venture Holding GmbH
AS51767Johanniter-Unfall-Hilfe in Ãsterreich
AS51967EconGas GmbH
AS6883Parlamentsdirektion
AS8547Styria IT Solutions GmbH & Co KG
AS56612Hel-Wacht Holding GmbH
AS57159EVER Pharma Neuro GmbH
AS56963Skidata AG
AS8559Kabelplus AG
AS8447A1 Telekom Austria AG
AS8971ATOS IT Solutions and Services GmbH
AS9023Oesterreichische Lotterien GmbH
AS8832netvoice data security OG
Rest of
World
AS13008bWin Interactive Entertainment AG
AS16172JET-ERP Betriebsgesellschaft mbH
AS20863mobile messaging solutions (mms) GmbH
AS21393Six Card Solutions Austria GmbH
AS25056Salomon Automation GmbH.
AS25069OMV Aktiengesellschaft
AS25268CARGO PARTNER GMBH
AS29654backbone internet service GmbH -
AS30901Niedermeyer GmbH
AS34328Typoheads GmbH
AS35552Kommunalkredit Austria AG
AS42060feratel media technologies AG
AS42557MAXOLUTION Online Service GmbH
AS42572abaton EDV - Dienstleistungs GmbH
AS42587Magna International Inc.
AS42715Crosat
AS42829123 people Internetservices GmbH
AS43916Sportsbook Software AG
AS44191Raiffeisen Kapitalanlage GmbH
AS44753Bacher Systems EDV GmbH
AS51265mass response Service GmbH
AS51454Deltavista Gesellschaft m.b.H.
AS57397BHB CABLE TV D.O.O
AS58131Organization for Security and Co-operation in Europe
AS6741MSPOF Consulting
AS8562A1 Telekom Austria AG
AS8787THALES Information Systems GmbH
Visualizing IPv6 routing within Czech Republic
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 18
Caveat: Not all links will show within these graphs
IPv4 &
IPv6
AS12570S E L F servis
AS196815LAN servis s.r.o.
AS197798Net-Connect s.r.o.
AS25192CZ.NIC
AS56566Satt a.s.
AS12767T-Systems Czech Republic a.s.
AS197694Municipal Office of the City Prague
AS198027VITKOVICE IT SOLUTIONS a.s.
AS20708SKODA AUTO a.s.
AS21142T-Systems Czech Republic a.s.
AS25093Ceska Sporitelna a.s. Prague The Czech Republic
AS28892Czech land-survey office
AS35096Alef Nula a.s.
AS47749ORIFLAME SOFTWARE s.r.o.
AS13036T-Mobile Czech Republic a.s.
AS15380Air Navigation Services of the Czech Republic
AS15425AS for Coma s.r.o.
AS15614Dragon Internet a.s.
AS15685Casablanca INT
AS16246RIOMEDIA
AS197197M.NET STUDENKA s. r. o.
AS198031Trustica s.r.o.
AS198171HOSTING90 systems s.r.o.
AS20723CZ.MGI
AS21430WIA spol. s.r.o.
AS25234ACTIVE 24
AS29134Ignum s.r.o.
AS33943Cesky Bezdrat
AS34315MAXNET Maxprogres
AS35214OXID
AS352362 connect a.s.
AS39392SuperNetwork s.r.o.
AS39761ABAK
AS39790AS of Web4U
AS41711Visual Connection
AS42000Kaora
AS42078XOTEL SIA
AS42189Druzstvo EUROSIGNAL
AS43037Seznam.cz
AS43070JAW.cz s.r.o.
AS43336Evkanet AS Number
AS43413NEW TELEKOM
AS44065NETAIR s.r.o.
AS44430MaRcom-Eko s.r.o.
AS44712eHAMnet
AS48268Inter Fiber s.r.o.
AS48417ITS akciova spolecnost AS
AS48451Prazska energetika
AS15935ha-vel internet spol. s r.o.
AS196735JON.CZ s.r.o.
AS198284Mesto Velka Bystrice
AS198953PricewaterhouseCoopers IT Services
AS25036TERMSnet
AS35361GREPA Networks AS
AS43203PORUBA.NET
AS43355UPL Telecom
AS47727Warnet.cz
AS48474FOFRNET spol. s r.o.
AS50163Altnet s.r.o.
AS50398Fast Communications
AS51744Non-profit organization Jablonka.cz
AS51968NEOS v.o.s.
AS56360TRINITY CZECH REPUBLIC
AS57007NITEX ISP s.r.o.
AS16019Vodafone Czech Republic a.s.
AS196653BEST-NET s.r.o.
AS196684VITALATIV
AS196687Obcanske sdruzeni TRENET
AS196746Speednet
AS198564Elcoma s.r.o.
AS196762ALKOM Security
AS196782Marek Smutny
AS196822SELECT SYSTEM
AS196843KHnet.info
AS196845OMEGA tech s.r.o.
AS196849Marcela Byrtusova
AS196861DIGITAL ACTION s.r.o.
AS196873Netlancers s.r.o.
AS196943Vissado s.r.o.
AS196965TechCom s.r.o.
AS196978Milos Tuma
AS197013JETSYSTEMS
AS197019WEDOS Internet
AS197029Lam plus s.r.o.
AS197046FIXnet s.r.o.
AS197059HOTNET s.r.o.
AS197083K2 atmitec s.r.o
AS197246Glow Internet s.r.o. AS
AS197277State Institute for Drug Control
AS197296MAXTEL s.r.o.
AS197307Jiri Strohalm PE
AS197353ING Management Services
AS197376Autocont CZ a.s.
AS197393Ladislav Rudolf
AS197442ZENIT-servis s.r.o.
AS197444Vlastimil Drazsky
AS197451Brno University of Technology
AS197550Internet4you.cz
AS197565DIGISERVICE s.r.o.
AS197698D-H-T Systems s.r.o.
AS197713MIKROSERVIS v.o.s
AS197815AVAST Software a.s.
AS197846Radovan Ochvat trading as SAO Computers
AS197875Unipetrol Services s.r.o.
AS197879HelaPC s.r.o.
AS197895ONYX engineering
AS197920SKODA ICT s.r.o.
AS198002FDLnet.CZ
AS198103CCS Ceska spolecnost pro platebni karty s.r.o.
AS198143Ceska Posta s.p.
AS198161Sokolovska uhelna
AS198167Apptocloud.com s.r.o.
AS198282SAT-AN CableNet & Multimedia s.r.o.
AS198346NETFORMS s.r.o.
AS198403Matrigo s.r.o.
AS198494PREGIS a.s.
AS198587HBQ a.s.
AS198605AVAST Software a.s.
AS198621AVAST Software a.s.
AS198657GOLDWARE CZ s.r.o.
AS198725Ultimum Technologies s.r.o.
AS198813SychrovNET s.r.o.
AS198814ALPHA StylSoft
AS198977UnArtel s.r.o.
AS199023Aiming Invest s.r.o.
AS199101MITRANET.CZ
AS20701MARIAS s.r.o.
AS20884Telefonica Czech Republic
AS42969G4S Cash Solutions (CZ)
AS21045QNET CZ s.r.o.
AS2571DHL Information Services (Europe) s.r.o
AS29583Spinoco Czech Republic
AS48298MINISTERSTVO VNITRA CR
AS21205ING BANK
AS21241Global Payments Europe
AS56442Lubos Hutar
AS24641This is AS for ISP Faster
AS33919D-NET
AS34049H-data
AS24806INTERNET CZ
AS24971Master Internet s.r.o / Czech Republic / www.master.cz
AS44770Savvy s.r.o.
AS47122inet4 s.r.o.
AS51134INTACTO GAMES a.s.
AS9080IPEX/GIN
AS25238GE Money Bank
AS25248RADIOKOMUNIKACE a.s.
AS51463Fajncom s.r.o.
AS521301st ART Studio s.r.o.
AS52154Mjanik.net s.r.o.
AS57904Vevynet s.r.o.
AS25424INTERNEXT 2000 s.r.o.
AS49580Monet +
AS49931SITKOM spol. s r.o.
AS25512CD-Telematika a.s.
AS34040TTNET Czech Republic
AS35046OMEGA plus Chrudim s.r.o.
AS43507RETE internet s.r.o.
AS43708METRONET s.r.o.
AS43709SilesNet s.r.o.
AS43757ICZ a.s
AS44424Internet Mall
AS47767Regionalni centrum Olomouc s.r.o.
AS47868AS SUPRO-NET
AS49101Kabelova televize CZ s.r.o.
AS51524Ales Tesacek
AS56450Alberon Letohrad s.r.o.
AS56624Petr Kadanik
AS56827mirnet s.r.o.
AS56907Travel Telekommunikation s.r.o.
AS57287OtavaNet s.r.o.
AS6740TS-Data s.r.o.
AS2819GTS NOVERA (GTS CZ)
AS28972M-SOFT s.r.o.
AS31461Moravia IT
AS34222ZONER software
AS34293J.S.tel s.r.o.
AS38952MAFRA
AS39408AVI ethernet.cz
AS43895Zentiva a.s.
AS44070MCnet AS Number
AS44104LCJ s.r.o.
AS47834SOFTEX NCP
AS48405Logica Czech Republic s.r.o
AS50348KVADOS
AS51427Humlnet s.r.o.
AS5578GTS Nextra a.s.
AS5588GTS Czech s.r.o.
AS56456C2NET s.r.o.
AS56891Ceskomoravska zarucni a rozvojova banka
AS56973VITKOVICE IT SOLUTIONS a.s.
AS8518Radio Free Europe
AS2852CESNET
AS28851Fortech s.r.o.
AS29086G-NET
AS29113UPC Ceska Republica
AS29208Dial Telecom
AS30764PODA s.r.o.
AS31246SMART Comp. a.s.
AS33883TRIOPTIMUM s.r.o.
AS34080Autonomous AS of MIRAMO
AS34692Freebone s.r.o.
AS35592COOLHOUSING
AS39235Dat
AS39791CEZ ICT Services a.s.
AS39817Ovanet
AS39904MERIT GROUP a.s.
AS39906CoProSys a.s.
AS41046NejTV a.s.
AS41088N-SYS s.r.o.
AS41824Internethome
AS42306Edera Group a.s.
AS42477CBS holding limited - Czech branch
AS43541VSHosting s.r.o.
AS43614Centrum Holdings s.r.o.
AS47232GRAPE SC
AS48091Kraj Vysocina
AS50698TETA s.r.o.
AS510254connect s.r.o.
AS51727SKODA POWER s.r.o.
AS5407SkyNet
AS5610Telefonica Czech Republic
AS57279Sauron CZ s.r.o.
AS6881NIX.CZ z.s.p.o.
AS8251FreeTel
AS8913Mopos Communications A.S.
AS28725AS of Eurotel Praha
AS28905BECO Link
AS34093NWT a.s
AS41030Jaroslav Novotny
AS43542OptoNet Communication
AS44489Starnet s.r.o.
AS47269Hlucin.net
AS47317Web4ce
AS49890ABLE agency
AS50971JHComp s.r.o.
AS52092Alf servis
AS52115JaroNet s.r.o.
AS57077AB-NET s.r.o.
AS57188ORKA systems
AS57564BAJA Group s.r.o.
AS44672OncaOnca Ltd.
AS51278Ignum s.r.o.
AS34070DATin internet s.r.o.AS34302
WinSoft CompanyAS35613
NetDataComm
AS39453KSRZIS
AS42908MobilKom ASN
AS44002Sys-datacom
AS48364Radim Pytela - AC Vyskov
AS48926Pe3ny Net s.r.o.
AS50495STAR 21 Networks
AS50695Vltava-Labe-Press
AS51382Ing. Leos Janouch
AS51400SPOJE.NET s.r.o.
AS52029Ing. Petr Lukes
AS52084ATL Obchodni s.r.o.
AS52176TTC Telekomunikace s.r.o.
AS56717RESAL spol. s r.o.
AS57399MONEX s.r.o.
AS58239hanspaul-city.net s.r.o.
AS6706Volny a.s.
AS48574Planet A
AS34955Martin Vicenik
AS41453ASN Trestel CZ
AS50825UVT s.r.o.
AS52058Michal Najman
AS41456KP NETWORK spol. s r.o.
AS47114SychrovNET s.r.o
AS47493WMS s.r.o.
AS47949gsnet.cz s.r.o.
AS48960Aqua a.s.
AS49025PRO-ZETA spol. s r. o. Praha
AS57158MELVI s.r.o.
AS43866ALTRON
AS50975AVX Czech republic s.r.o
AS44546ALFA TELECOM s.r.o.
AS47131PH Network
AS40964Astelnet s.r.o.
AS41591Jaroslav Masaryk
AS41670Obcanske sdruzeni HKFree
AS57823KKNET ISP
AS49985IP4ISP z.s.p.o
AS47913CBS holding limited - Czech branch
AS42896TOV "Research and Production Company "ACS-Group"
AS48661AIRWAYNET
AS9053Network Image s.r.o.
AS57288StaMPi
AS49767INTERNET Pb
AS57560XLNET s.r.o.
AS48004PE Tsibrankov Konstantin Igorevich
AS50491KASTEN NET spol. s r.o.
AS51731GTT a.s.
AS51800FIBER Network s.r.o.
AS51801Nano.cz s.r.o.
AS51902Web 4 Soft Internet s.r.o.
AS57707Greendata s.r.o.
AS51420OS Cyrilek.net
AS51210KRAXNET s.r.o.
AS51154Internethome
Rest of
World
AS15741Expiline Ltd.
AS196739Uspekh Ltd
AS196764FGU IVC MPR of Russia
AS196786OOO Mitel-Inter
AS196789Norfes JSC
AS197144PP SVS Stream
AS197218PP Dmutrashko Evgeny Vitalievich
AS197786Telefonnyie seti Ltd.
AS21383PE Alexander Yakimov
AS25553TRK Gluhov Ltd.
AS29148SURANY.NET s.r.o.
AS30738NetArt Group
AS30877Ariadna-Link CJSC
AS30928ZAO Rubtsovsk
AS34047Bystrov Dmitriy SergeevichAS34100
Stortinget
AS34971Prometeus di Daniela Agro
AS35420Perspektiva Ltd.
AS39121Eniseyneftegas Territorial Industrial Technical Management of Communication
AS39307Digital Communications Ltd.
AS39819Dmitry Shahnazarov
AS40977Svyaz JSC
AS42269Foton Ltd
AS42763FPUH Czajen Krzysztof Czaja
AS42847OJSC National Trade Bank
AS42995Geotelecom Ltd.
AS47119VL-Telecom Ltd
AS47702TV&R "Diskaveri" LLC
AS47909Baikal-Telecom Ltd.
AS47950IT Technology Ltd
AS47951LLC Telecontur NET
AS47965Satlynx AG
AS48085Dnipro-Technocenter Ltd.
AS48086FOP Yuri Yurievich Garbarenko
AS48098Valikov Yury Aleksandrovich
AS48354LLC Company Relant
AS48494ISP MK-NET
AS48780Rostelecom CJSC
AS48802OOO "Povolzhskiy Processingoviy Center"
AS48890SOLVO ltd.
AS48959OOO "Paladin Invent"
AS49085Sviaz-Service-Internet Ltd
AS49106Opticom Group CJSC
AS49183Galitski Telekommunications Ltd
AS49313Seva-Host Ltd
AS49320Golitsyno Telecom Ltd
AS49334Sergey Krashevich
AS49350Tinet CJSC
AS49359Dmitry Kozhushko
AS49417FOP Tikhon S.Zyuzikov
AS49418Domashnie Seti Ltd
AS49465Private TV company "Rubin-plus"
AS49506GumsNet Ltd
AS49510TCV Ltd
AS49536DENTAGLOBAL SYS
AS49542ArtPlanet Ltd
AS49560Linkservice Ltd
AS49671JSC Police-System
AS49818Sky Stream Ltd
AS49827PE Yury Khoma Romanovich
AS49832Pentakal AS Ltd
AS49833Alexandr Y Potkin
AS49839MKS Ltd.
AS49889Crystal Telecom Ltd
AS49997Piton Ltd
AS50015Oleksandr Butenko
AS50022Kristelecom Ltd.
AS50025Net Television Ltd
AS50037Server Ltd.
AS50073Software Service Prague s.r.o.
AS50097IPVOIP s.r.o.
AS50174Complex financial systems Ltd
AS50193InternetTeleCom Ltd.
AS50204PE Bondar TN
AS50241UnitTelecom Ltd
AS50245Serverel Corp.
AS50248Vladivostok international airport JSC
AS50250Stavropol Committee for state purchases
AS50301BrazdimNET s.r.o.
AS50321FOP "Reznichenko Sergey Mykolayovich"
AS50356Camelot Ltd
AS50427Set Ltd.
AS50442Classica-Service Ltd
AS50473Altagen CJSC
AS50497Orlicom Ltd
AS50533Cyber-Project Company Ltd
AS50714Stavropol Communications Nets Ltd
AS50765Svyaz Novogo Pokolenia Kuznetsk Ltd
AS50869Akvarius Ltd.
AS50899Roman Bykovskyj
AS51100Company of Information Technologies Ltd.
AS51105CIS Telecom UK LTD.
AS51180PE IT Group
AS51211PE Rulev Dmitriy Alexandrovich
AS51234Telecompany Fialka Ltd.
AS51245NP Computer Technologies in Medicine
AS51351LTD Objedinennaja Setevaja Kompanija
AS51357FOP Popkova Irina Mukolayivna
AS51371Ashtarak-Elit Ltd.
AS51428IRONNET Ltd.
AS51448Uralskie Kabelnye Seti Ltd.
AS51525Informacionnuye technologiyi Ltd
AS51655Ilim Telecom Ltd.
AS51841Info Telecom Ltd
AS51884Tera Telecom Ltd
AS51891GSP Ltd.
AS56508Regionecoproduct-Povolzhie Ltd.
AS56562Telecom Plus Company Ltd.
AS56936MbitCity Ltd.
AS57191IT Business Ltd.
AS57194CHP Koshelnik Sergey Valentinovich
AS57325The Department of the State Security Service at the Ministry of Home Affairs of Ukraine
AS57508Dempsey Clark ehf
AS57523AMEuroTel s.r.o.
AS57534PE Ahmedov Alil Aliomarovich
AS57566Wircom s.r.o.
AS57572Lesta Ltd.
AS57778Josef Krejza
AS57798IT-Net ltd.
AS57800Cadr-TV LLE TVRC
AS57888Telesat d.o.o.
AS57919Wicom Ltd.
AS58065Alliance Healthcare Rus Ltd
AS6679Skadi Telecom CJSC
Visualizing IPv4/IPv6 routing within Europe
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 19
Caveat: Not all links will show within these graphs
Methodology: Look at all ASNs within one country and map ASN-to-ASN connections seen
between countries Thickness of lines shows number of adjacencies seen between countries Only countries that have in-continent IPv4/IPv6 interconnections are shown
IPv4
IPv6
SJSvalbard and Jan Mayen
UKUnited Kingdom
ADAndorra
FRFrance
RORomania
GRGreece
EEEstonia
MTMalta
ISIceland
HUHungary
JEJersey
IEIreland
MCMonaco
ESSpainGI
Gibraltar
GBGreat Britain
TRTurkey
CYCyprus
DEGermany
ITItaly
RSSerbia
SISlovenia
MKMacedonia
ATAustria
DKDenmark
FIFinland
AZAzerbaijan
BABosnia and Herzegovina
BEBelgium
BGBulgaria
BYBelarus
CHSwitzerland
CZCzech Republic
NLNetherlands
SESweden
UAUkraine
LVLatvia
EUEuropean Union
PLPoland
PTPortugal
LTLithuania
GGGuernsey
MDMoldova
LULuxembourg
SKSlovakia
NONorway
GEGeorgia
IMIsle of Man
HRCroatia
LILiechtenstein
VAVatican City
ALAlbania
MEMontenegro
FOFaroe Islands
SMSan Marino
AMArmenia
AXÅland Islands
RURussian Federation
**World
SJSvalbard and Jan Mayen
UKUnited Kingdom
ADAndorra
FRFrance
RORomania
GRGreece
EEEstonia
MTMalta
ISIceland
HUHungary
JEJersey
IEIreland
MCMonaco
ESSpainGI
Gibraltar
GBGreat Britain
TRTurkey
CYCyprus
DEGermany
ITItaly
RSSerbia
SISlovenia
MKMacedonia
ATAustria
DKDenmark
FIFinland
AZAzerbaijan
BABosnia and Herzegovina
BEBelgium
BGBulgaria
BYBelarus
CHSwitzerland
CZCzech Republic
NLNetherlands
SESweden
UAUkraine
LVLatvia
EUEuropean Union
PLPoland
PTPortugal
LTLithuania
GGGuernsey
MDMoldova
LULuxembourg
SKSlovakia
NONorway
GEGeorgia
IMIsle of Man
HRCroatia
LILiechtenstein
VAVatican City
ALAlbania
MEMontenegro
FOFaroe Islands
SMSan Marino
AMArmenia
AXÅland Islands
RURussian Federation
**World
Visualizing IPv4/IPv6 routing within Europe
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 20
Caveat: Not all links will show within these graphs
IPv4 &
IPv6
SJSvalbard and Jan Mayen
UKUnited Kingdom
ADAndorra
FRFrance
RORomania
GRGreece
EEEstonia
MTMalta
ISIceland
HUHungary
JEJersey
IEIreland
MCMonaco
ESSpainGI
Gibraltar
GBGreat Britain
TRTurkey
CYCyprus
DEGermany
ITItaly
RSSerbia
SISlovenia
MKMacedonia
ATAustria
DKDenmark
FIFinland
AZAzerbaijan
BABosnia and Herzegovina
BEBelgium
BGBulgaria
BYBelarus
CHSwitzerland
CZCzech Republic
NLNetherlands
SESweden
UAUkraine
LVLatvia
EUEuropean Union
PLPoland
PTPortugal
LTLithuania
GGGuernsey
MDMoldova
LULuxembourg
SKSlovakia
NONorway
GEGeorgia
IMIsle of Man
HRCroatia
LILiechtenstein
VAVatican City
ALAlbania
MEMontenegro
FOFaroe Islands
SMSan Marino
AMArmenia
AXÅland Islands
RURussian Federation
**World
However; data cleanup is needed …
RIPE has “EU” listed as country code for many ASNs; but they are really “somewhere”
Some examples …
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 21
AT AS1109 University of Salzburg AT AS1110 University of Innsbruck AT AS1111 University of Klagenfurt AT AS1113 Technische Universitaet Graz, AT AT AS1114 Universitaet Graz AT AS1117 Universitaet fuer Bodenkultur, Wien AT AS1120 ACOnet Services @ Vienna Internet eXchange AT AS1205 Johannes Kepler University AT AS1776 Wirtschaftsuniversitaet Wien AT AS1901 eTel Austria Gesmbh u. CO KG AT AS1921 NIC.at head office Salzburg
IS AS1850 Internet Iceland Inc. (ISNIC)
IT AS1267 WIND Telecomunicazioni S.p.A. IT AS137 GARR Italian academic and research network
FI AS375 Tieto Oyj FI AS565 Technical Research Centre of Finland FI AS719 Elisa Oyj FI AS764 Prime Minister's Office FI AS790 Elisa Oyj FI AS1234 Fortum FI AS1248 Nokia Internet FI AS1342 Fujitsu Invia Finland IP-network FI AS1738 OP-Pohjola Group Central Cooperative FI AS1739 TUT FI AS1741 FUNET FI AS1759 TeliaSonera Finland IP Network
SI AS2107 ARNES SI AS6764 Perftech d.o.o.
Visualizing IPv4/IPv6 routing within Europe
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 22
Caveat: Not all links will show within these graphs
Methodology: Look at all ASNs within one country and map ASN-to-ASN connections seen
between countries Thickness of lines shows number of adjacencies seen between countries Only countries that have in-continent IPv4/IPv6 interconnections are shown
IPv4
IPv6
SJSvalbard and Jan Mayen
UKUnited Kingdom
ADAndorra
FRFrance
ESSpain
TRTurkey
CYCyprus
ITItaly
RORomania
RSSerbia
SISlovenia
GRGreece
EUEuropean Union
CZCzech Republic
IEIreland
ATAustria
MTMalta
PTPortugal
BABosnia and Herzegovina
DKDenmark
EEEstonia
FIFinland
LTLithuania
NONorway
BEBelgium
HUHungary
MDMoldova
AZAzerbaijan
LVLatvia
LULuxembourg
SESweden
HRCroatia
PLPoland
BGBulgaria
UAUkraine
ISIceland
JEJersey
BYBelarus
SKSlovakia
MCMonaco
GIGibraltar
GBGreat Britain
DEGermany
MKMacedonia
RURussian Federation
GEGeorgia
LILiechtenstein
NLNetherlands
CHSwitzerland
GGGuernsey
IMIsle of Man
VAVatican City
ALAlbania
MEMontenegro
FOFaroe Islands
SMSan Marino
AMArmenia
AXÅland Islands
**World
SJSvalbard and Jan Mayen
UKUnited Kingdom
ADAndorra
FRFrance
ESSpain
TRTurkey
CYCyprus
ITItaly
RORomania
RSSerbia
SISlovenia
GRGreece
EUEuropean Union
CZCzech Republic
IEIreland
ATAustria
MTMalta
PTPortugal
BABosnia and Herzegovina
DKDenmark
EEEstonia
FIFinland
LTLithuania
NONorway
BEBelgium
HUHungary
MDMoldova
AZAzerbaijan
LVLatvia
LULuxembourg
SESweden
HRCroatia
PLPoland
BGBulgaria
UAUkraine
ISIceland
JEJersey
BYBelarus
SKSlovakia
MCMonaco
GIGibraltar
GBGreat Britain
DEGermany
MKMacedonia
RURussian Federation
GEGeorgia
LILiechtenstein
NLNetherlands
CHSwitzerland
GGGuernsey
IMIsle of Man
VAVatican City
ALAlbania
MEMontenegro
FOFaroe Islands
SMSan Marino
AMArmenia
AXÅland Islands
**World
Visualizing IPv4/IPv6 routing within Europe
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 23
Caveat: Not all links will show within these graphs
IPv4 &
IPv6
SJSvalbard and Jan Mayen
UKUnited Kingdom
ADAndorra
FRFrance
ESSpain
TRTurkey
CYCyprus
ITItaly
RORomania
RSSerbia
SISlovenia
GRGreece
EUEuropean Union
CZCzech Republic
IEIreland
ATAustria
MTMalta
PTPortugal
BABosnia and Herzegovina
DKDenmark
EEEstonia
FIFinland
LTLithuania
NONorway
BEBelgium
HUHungary
MDMoldova
AZAzerbaijan
LVLatvia
LULuxembourg
SESweden
HRCroatia
PLPoland
BGBulgaria
UAUkraine
ISIceland
JEJersey
BYBelarus
SKSlovakia
MCMonaco
GIGibraltar
GBGreat Britain
DEGermany
MKMacedonia
RURussian Federation
GEGeorgia
LILiechtenstein
NLNetherlands
CHSwitzerland
GGGuernsey
IMIsle of Man
VAVatican City
ALAlbania
MEMontenegro
FOFaroe Islands
SMSan Marino
AMArmenia
AXÅland Islands
**World
Examples from elsewhere in the world
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 24
Caveat: Not all links will show within these graphs
Adding an example of showing each country as a separate node Now you see country-to-country relationships
Impossible to read (need to zoom
)!
Zoom in and view
specific countries
Does this produce valid BGP diagrams?
Can you question the collected BGP data? Yes - There’s a need for more participating ASNs
Can you question the quality of the data? Yes - BGP is BGP – it’s only “best path”
Can you question the processing? Yes - It only takes one route to show an adjacency exists
Can you question a connection from CC1 to CC2? Yes – in some cases peering could be in CC3 (ie: USA)
27 Sept 2012 Martin J Levy - Hurricane Electric - Intercountry BGP As Topology 25