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 |
| 9.5K |
| — |
| 6 |
| AS12678GB | BADOO-U Badoo Trading Limited | 9.5K | 512 | 22 |
| AS199909GB | ELITETELE ELITETELE.COM Limited | 9.7K | 65.5K | 9 |
| AS34914GB | SYNTEC-AS Syntec LTD | 9.7K | — | 5 |
| AS207163GB | SKYCD-ES-AS Sky UK Limited | 9.7K | 524.3K | 5 |
| AS39767GB | SARGASSO-AS Sargasso N1 Limited | 9.7K | 524.3K | 6 |
| AS8801GB | ROCKETFIBRE Rocket Fibre Ltd | 9.7K | 589.8K | 9 |
| AS48954GB | ArrowNET AIMES Management Services Ltd | 9.7K | — | 24 |
| AS13002GB | ISIX-AS ISIX Communications LLP | 9.7K | 66K | 11 |
| AS208687GB | Jurassic-Fibre AllPoints Fibre Networks Limited | 10K | 524.3K | 5 |
| AS43009GB | INFOBIP-AS Infobip Limited | 10K | 2 | 41 |
| AS21260GB | POSITIVE-INTERNET-UK-AS The Positive Internet Company Ltd | 10K | — | 18 |
| AS47480GB | BlueTigerSolutions-AS Blue Tiger Solutions Limited | 10K | — | 10 |
| AS213094GB | FullFibre Full Fibre Limited | 10K | 524.3K | 9 |
| AS202038GB | INTERCITY-TECH-UKCORE Intercity Technology Ltd | 10.2K | — | 17 |
| AS31641GB | ATLAS-COMMUNICATIONS-AS Atlas Communications (NI) Ltd | 10.2K | 65.5K | 5 |
| AS198220GB | GoGrid Rackspace Ltd. | 10.2K | — | 2 |
| AS21459GB | GNSEUROPEUK-AS OneAdvanced It Services Limited | 10.2K | — | 6 |
| AS41695GB | VOSTRON-AS VOSTRON Limited | 10.2K | 65.5K | 3 |
| AS212706GB | LIVI-HOSTING-AS LIVI HOSTING LTD | 10.2K | 65.5K | 41 |
| AS31742GB | SOTACONNECT Sota Solutions Ltd. | 10.5K | 589.8K | 10 |
| AS43872GB | OPTINET Optinet U.K. Limited | 10.5K | 3.7M | 27 |
| AS42010GB | ITPS I.T. PROFESSIONAL SERVICES LIMITED | 10.5K | 65.5K | 14 |
| AS48620GB | BEAMING Beaming Ltd | 10.5K | 524.3K | 4 |
| AS6894GB | KDDI-EUROPE KDDI Europe Ltd | 10.5K | 65.5K | 4 |
| AS33953GB | Experian-AS Experian International Unlimited | 10.5K | — | 3 |
| AS215703GB | FREAKHOSTING FREAKHOSTING LTD | 10.8K | 1 | 43 |
| AS48950GB | GLOBALCOLOCATION Global Custom Data Limited | 10.8K | — | 42 |
| AS60439GB | SERVERNET-AS SERVERNET INTERNET LIMITED | 10.8K | 516 | 42 |
| AS205072GB | LAYERSHIFT Layershift Limited | 10.8K | 65.5K | 12 |
| AS62163GB | IPRIVER-AS IP River Limited | 10.8K | — | 22 |
| AS50300GB | CUSTDC CustodianDC Limited | 10.8K | 337 | 46 |
| AS16050GB | Refinitiv-Slough-LO5-res-AS Refinitiv Limited | 10.8K | — | 26 |
| AS201002GB | PebbleHost-Customers PebbleHost Ltd | 11K | 65.8K | 47 |
| AS58325GB | BANDWIDTH-ASIA Hydra Communications Ltd | 11K | 16 | 15 |
| AS31084GB | MAGRATHEA-UK MAGRATHEA TELECOMMUNICATIONS LIMITED | 11.3K | 65.5K | 4 |
| AS21396GB | NETCONNEX NetConnex Broadband Ltd. | 11.3K | 1.1M | 13 |
| AS216047GB | INTECLOU-CDNK-NET INTECLOUD CDNK LTD | 11.3K | — | 29 |
| AS212683GB | OLILO-AS Olilo UK & Ireland Ltd. | 11.3K | 131.1K | 29 |
| AS199550GB | HIRAGI-LTD HIRAGI LTD | 11.3K | — | 44 |
| AS51713GB | WHG-LON WHG Hosting Services Ltd | 11.5K | — | 27 |
| AS49683GB | MASSIVEGRID MASSIVEGRID LTD | 11.5K | 1 | 43 |
| AS42004GB | ULGRP-AS VOIP-UN LIMITED | 11.8K | 65.5K | 9 |
| AS50077GB | SYN-NL SYN LTD | 11.8K | — | 12 |
| AS196744GB | CAPITA Capita Business Services Ltd | 11.8K | — | 4 |
| AS204339GB | FIRSTSERVER-FL-AS FIRST SERVER LIMITED | 12K | 2 | 49 |
| AS61215GB | IIJ-EXLAYER-AS IIJ Europe Limited | 12.3K | 65.5K | 5 |