Loading…
How United Kingdom ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to United Kingdom over time.
The largest autonomous systems registered to United Kingdom by IPv4 footprint.
United Kingdom against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
3,123 autonomous systems registered to United Kingdom. Click an AS for detail.
| AS5378GB | Vodafone Limited | 2.8M | 24 |
| AS6871GB | Plusnet British Telecommunications PLC | 2.1M | 63 |
| AS8220GB | COLT COLT Technology Services Group Limited | 1.5M | 171 |
| AS206067GB | H3GUK Hutchison 3G UK Limited | 1.1M | 332 |
| AS8426GB | CLARANET-AS Claranet Limited | 909.3K | 100 |
| 256 |
| 1 |
| 2 |
| AS197284GB | K3X-MNT K3X SYSTEMS Ltd | 256 | 1 | 2 |
| AS211120GB | as_grootwebhost CARDOCK HOSTING LIMITED | 256 | — | 1 |
| AS204318GB | BGPTOOLS-QA Benjamin Cartwright-Cox | 256 | 82.1K | 203 |
| AS43851GB | LWBNET Etheroute Ltd | 256 | 1 | 2 |
| AS204539GB | AXIC-Axivora-Connect-Ltd Axivora Connect LtD | 256 | 77 | 18 |
| AS207754GB | COLDERWOOD James Colderwood | 256 | 65.5K | 4 |
| AS34900GB | CME-AS-LO2-2 CME Operations Limited | 256 | — | 1 |
| AS214079GB | LENDNODES LendNodes LTD | 256 | — | 1 |
| AS213016GB | holker-network-solutions Holker Network Solutions Ltd | 256 | — | 1 |
| AS49209GB | CTE-ASN China Telecom Europe Ltd. | 256 | — | 1 |
| AS200027GB | RDA-TELECOM RDA GROUP LIMITED | 256 | 1 | 2 |
| AS8272GB | NETSCALIBUR-UK Claranet Limited | 256 | — | 1 |
| AS47935GB | QUANTUMUK-AS Quantum Communications Ltd | 256 | 65.5K | 2 |
| AS50108GB | EA-UK-BIR Electronic Arts Limited | 256 | — | 1 |
| AS212868GB | GLITCH-SERVERS CHAPMAN Adam | 256 | 1 | 2 |
| AS203589GB | HOSTWEAVE-AS HOSTWEAVE LTD | 256 | 256 | 2 |
| AS209540GB | EXPEDIA-DUBLIN Expedia.com Ltd. | 256 | — | 1 |
| AS209635GB | RedMatter-Internal Red Matter Limited | 256 | 1 | 2 |
| AS200425GB | BG-TAL Genius Sports UK Limited | 256 | 65.5K | 2 |
| AS204519GB | KORPTRADE-AS SL029315 LP | 256 | — | 1 |
| AS211198GB | WHITESPIDER WhiteSpider Enterprise Services Limited | 256 | — | 1 |
| AS211118GB | SERMODK WORLDONE RESEARCH LIMITED | 256 | — | 1 |
| AS203105GB | BlahajInternet Blahaj Internet Ltd | 256 | 1 | 2 |
| AS209015GB | TenTime-AS Ten Time Limited | 256 | — | 1 |
| AS198628GB | FIDESSA-AS FIDESSA TRADING UK LIMITED | 256 | — | 1 |
| AS215023GB | LIME-HOST LIMEE NETWORK LTD | 256 | 1 | 2 |
| AS51005GB | FOURDINTERACTIVE 4D Interactive Ltd | 256 | — | 1 |
| AS59809GB | AS21IN Numeric Futures Limited | 256 | — | 1 |
| AS210812GB | CHRIS-PRITCHARD Christopher Pritchard | 256 | 257 | 3 |
| AS199548GB | as_fnt_prm UrSolutions Ltd | 256 | — | 1 |
| AS60758GB | DMC-AS Deluxe UK Holdings Limited | 256 | — | 1 |
| AS59638GB | WITLTD Robert Mitchelmore | 256 | — | 1 |
| AS209080GB | ASN-EDFMAN E D & F MAN TECHNOLOGY LIMITED | 256 | — | 1 |
| AS49967GB | MTVH THAMES VALLEY HOUSING ASSOCIATION LIMITED | 256 | — | 1 |
| AS197355GB | UK-FOREX-AS Stratos Markets Limited | 256 | — | 1 |
| AS42359GB | WEMBLEY-AS The Football Association Ltd. | 256 | — | 1 |
| AS210549GB | CDW-IT-INFRA CDW Ltd | 256 | — | 1 |
| AS210005GB | easysoft Easysoft Ltd | 256 | — | 1 |
| AS205012GB | giant Giant Communications Ltd | 256 | 524.3K | 2 |
| AS208723GB | VDX-SYSTEMS VDX SYSTEMS LTD | 256 | 4 | 5 |
| AS207960GB | AS-TRANSRIGHTS AS207960 Cyfyngedig | 256 | 7 | 8 |
| AS203001GB | GateX GateX LIMITED | 256 | 1 | 2 |
| AS56723GB | EA-ES-OMBU Electronic Arts Limited | 256 | — | 1 |
| AS204826GB | NR-EU-MA3 North Rock Capital Management (UK) LLP | 256 | — | 1 |
| AS202783GB | SWANN-MNT NHS National Services Scotland | 256 | — | 1 |
| AS210938GB | whitbread Whitbread Group PLC | 256 | — | 1 |