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.
3,134 autonomous systems registered to United Kingdom. Click an AS for detail.
| AS5378GB | Vodafone Limited | 2.8M | 24 |
| AS6871GB | Plusnet British Telecommunications Limited | 2.1M | 64 |
| AS8220GB | COLT COLT Technology Services Group Limited | 1.5M | 173 |
| AS206067GB | H3GUK Hutchison 3G UK Limited | 1.1M | 368 |
| AS212238GB | CDNEXT Datacamp Limited | 1.1M | 4,290 |
| 1K |
| — |
| 3 |
| AS199946GB | Ctalk Ctalk Limited | 1K | — | 4 |
| AS201664GB | netwarm NetWarm LTD | 1K | — | 4 |
| AS205106GB | PEASOUP Pea Soup Hosting Limited | 1K | — | 3 |
| AS202212GB | DWEBS-AS DWebs Ltd | 1K | 65.5K | 2 |
| AS216207GB | NEWCASTLE-COUNCIL-AS Newcastle City Council | 1K | — | 3 |
| AS211912GB | WHG-USE2 WHG Hosting Services Ltd | 1K | — | 4 |
| AS59676GB | NETWORKSERVICES-SEC Network Services Ltd. | 1K | 2 | 6 |
| AS205918GB | vertivco-emea VERTIV COMPANY GROUP LIMITED | 1K | — | 1 |
| AS208307GB | secondmind SECONDMIND LIMITED | 1K | — | 1 |
| AS209329GB | CITYTALK-INTERNET FOCUS 4 U LTD | 1K | — | 1 |
| AS206682GB | lima LIMA Networks Limited | 1K | — | 1 |
| AS34178GB | Qinetiq Qinetiq Limited | 1K | — | 4 |
| AS209199GB | Cloud-Unboxed-Limited Cloud Unboxed Limited | 1K | — | 4 |
| AS60885GB | zengenti Zengenti Ltd. | 1K | — | 4 |
| AS210101GB | cyber Cyber Pathogen Ltd | 1K | — | 1 |
| AS205739GB | Allness-NET Allness IT Ltd | 1K | 524.3K | 5 |
| AS202363GB | uk-rjobrien R.J. OBrien Limited | 1K | — | 1 |
| AS47556GB | WEBTIT Webtitude LTD | 1K | 327.7K | 6 |
| AS204598GB | AS-VILLAGENETWORKS Village Networks Ltd. | 1K | 524.3K | 4 |
| AS197282GB | WGMAST Wood Group UK Limited | 1K | — | 4 |
| AS203573GB | tmcs Tailor Made Technologies Ltd | 1K | — | 1 |
| AS203171GB | CHITECHNOLOGY Chi Technology Ltd | 1K | — | 4 |
| AS20596GB | future Future Publishing Ltd | 1K | 458.8K | 4 |
| AS204440GB | farmuk STREAMLAND MEDIA UK LIMITED | 1K | — | 4 |
| AS208180GB | cts Bluecube Cyber Security Solutions Limited | 1K | — | 1 |
| AS208564GB | bedroq Bedroq Limited | 1K | — | 2 |
| AS44009GB | SLEEK-ASN Rackspace Ltd. | 1K | 65.5K | 2 |
| AS56850GB | AKARI-AS Akari Networks Ltd | 1K | — | 1 |
| AS206078GB | UltraNetworks UltraNetworks Limited | 1K | — | 4 |
| AS60011GB | MYTHIC-BEASTS-USA Mythic Beasts Ltd | 1K | 131.1K | 6 |
| AS199788GB | MPS Motion Picture Solutions Limited | 1K | — | 1 |
| AS210279GB | DMT DIGITAL MEDIA TECHNOLOGIES LTD | 1K | — | 1 |
| AS204486GB | CHES-EAST Cheshire East Council | 1K | — | 1 |
| AS208524GB | VITS-Hosting-Services VITS LIMITED | 1K | — | 1 |
| AS199462GB | NETISP-UK-AS NETISP LTD | 1K | 655.4K | 13 |
| AS51601GB | IPTP IPTP LTD | 1K | 4.1K | 3 |
| AS201903GB | EVORIO-AS Evorio Limited | 1K | — | 1 |
| AS203582GB | mts M-Tech Systems Ltd | 1K | — | 1 |
| AS204258GB | vive-technologies-ltd Vive Technologies Ltd | 1K | 524.3K | 2 |
| AS202907GB | ATOMICIT Atomic IT Limited | 1K | 524.3K | 2 |
| AS203938GB | SAMUEL-COSGROVE Samuel Cosgrove | 1K | — | 4 |
| AS198312GB | SPECTRAGROUP Spectra Group (uk) Ltd | 1K | 65.5K | 5 |
| AS41281GB | KEFF KeFF Networks Ltd | 1K | 2 | 6 |
| AS51221GB | LMAX-HOSTING LMAX Limited | 1K | — | 1 |
| AS60333GB | UOMCOMM The University of Manchester | 1K | — | 1 |
| AS59402GB | Virocom Virocom Limited | 1K | 524.3K | 2 |