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 | 64 |
| AS8220GB | COLT COLT Technology Services Group Limited | 1.5M | 171 |
| AS206067GB | H3GUK Hutchison 3G UK Limited | 1.1M | 332 |
| AS212238GB | CDNEXT Datacamp Limited | 968.4K | 3,979 |
| 512 |
| — |
| 2 |
| AS204322GB | uk-nyt-lhr1 New York Times Limited | 512 | — | 1 |
| AS215320GB | AlncomAS2 ALNWICK COMPUTERWARE LTD. | 512 | 131.1K | 3 |
| AS212551GB | UK_FTCLOUD Future Technology Group Ltd | 512 | 1M | 4 |
| AS9090GB | PRNE PR Newswire Europe Ltd. | 512 | — | 2 |
| AS49607GB | AdvancePayment ZEMPLER BANK LIMITED | 512 | — | 2 |
| AS59876GB | SHELFSPACE Thomas James Elliott | 512 | 1 | 3 |
| AS60688GB | CSPCORE CSP Partnership | 512 | — | 1 |
| AS211476GB | techloq-uk Techloq Limited | 512 | 65.5K | 3 |
| AS216361GB | NiN Next Internet Network Ltd | 512 | — | 2 |
| AS41839GB | ConcentrixEuropeLtd Concentrix Europe Limited | 512 | — | 2 |
| AS199706GB | BLOCK-AS Block Solutions Ltd | 512 | — | 2 |
| AS203767GB | CLARITAS-A Claritas Solutions Limited | 512 | — | 2 |
| AS201478GB | REDI_TECH Refinitiv Limited | 512 | — | 2 |
| AS210404GB | TUNSTALL-UK Tunstall Healthcare (UK) Limited | 512 | — | 2 |
| AS199204GB | WebMate Webmate Internet Services Ltd. | 512 | — | 1 |
| AS203128GB | NSML NEWCASTLE STRATEGIC SOLUTIONS LIMITED | 512 | — | 1 |
| AS205900GB | APC-Solutions APC Solutions UK Ltd | 512 | — | 2 |
| AS211020GB | asrokatansky LOBOS NETWORKING LTD | 512 | — | 2 |
| AS47535GB | javelinbroadband JAVELIN BROADBAND LIMITED | 512 | — | 2 |
| AS197860GB | NET-HARUKA Haruka Network Limited | 512 | 33 | 5 |
| AS6540GB | SAMUEL-COSGROVE Samuel Cosgrove | 512 | 524.3K | 3 |
| AS209809GB | ROCO-HOST ROCO HOST LTD | 512 | 1 | 3 |
| AS44480GB | Brevan-Howard-AS Brevan Howard Asset Management LLP | 512 | — | 2 |
| AS214455GB | RETN-AE-AS RETN Limited | 512 | — | 1 |
| AS215662GB | KENSINGTON KENSINGTON MORTGAGE COMPANY LIMITED | 512 | — | 2 |
| AS199379GB | MARKERSTUDY-AS Markerstudy Insurance Services Limited | 512 | — | 2 |
| AS58062GB | StarNetwork w1n ltd | 512 | — | 2 |
| AS48397GB | Unipart-AS Unipart Group Limited | 512 | — | 2 |
| AS51983GB | SARGASSO-DE-AS Sargasso N1 Limited | 512 | — | 1 |
| AS47571GB | DCMANAGED Digital Craftsmen Ltd. | 512 | — | 2 |
| AS204624GB | sycurio Sycurio Limited | 512 | — | 2 |
| AS213287GB | Pure-IP-Europe-BV Pure IP Limited | 512 | — | 1 |
| AS49313GB | SEVAHOST-AS Seva-Host Ltd | 512 | — | 2 |
| AS41751GB | OCADO OCADO RETAIL LIMITED | 512 | — | 1 |
| AS401568GB | MEMILUS - MEMILUS CREATIVE LLC | 512 | — | 2 |
| AS201497GB | express-as STAT EXPRESS SERVICES LTD | 512 | — | 1 |
| AS214347GB | MDTS-LTD Massive Dynamic Technical Services Limited | 512 | 1 | 3 |
| AS5586GB | MCI-INT Verizon UK Limited | 512 | 32 | 3 |
| AS206976GB | KADFIRE Kadfire Limited | 512 | 2 | 4 |
| AS60382GB | CRANLEIGH-AS Cranleigh School | 512 | — | 2 |
| AS202610GB | NEKO-AS NekoClaw Ltd | 512 | 2 | 4 |
| AS211077GB | HO-LECN-DC01 UK Home Office (The Secretary of State for the Home Department) | 512 | — | 2 |
| AS212152GB | AS-Beazley Beazley Management Limited | 512 | — | 2 |
| AS15865GB | ELLIOTT-UK-AS Elliott Advisors UK (Ltd) | 512 | — | 2 |
| AS49958GB | EVO-AS Evolution Gaming LTD | 512 | — | 2 |
| AS197622GB | PARSELY-AS NEXTTRANSLATE LTD | 512 | — | 2 |