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.
3,143 autonomous systems registered to United Kingdom. Click an AS for detail.
| AS5378GB | Vodafone Limited | 2.8M | 24 |
| AS6871GB | Plusnet British Telecommunications Limited | 2.1M | 63 |
| AS8220GB | COLT COLT Technology Services Group Limited | 1.5M | 172 |
| AS212238GB | CDNEXT Datacamp Limited | 1.2M | 4,613 |
| AS206067GB | H3GUK Hutchison 3G UK Limited | 1.1M | 404 |
| 512 |
| — |
| 2 |
| AS56644GB | SYNFS-AS Fundtech Financial Messaging Ltd | 512 | — | 2 |
| AS213051GB | ZENEX5IVE-US Zenex 5ive Limited | 512 | — | 2 |
| AS211476GB | techloq-uk Techloq Limited | 512 | 65.5K | 3 |
| AS35106GB | MICROSOFT-LIVE-MEETING Microsoft Limited | 512 | 1 | 2 |
| AS214314GB | CUSHWAKE-UK2 Cushman & Wakefield Debenham Tie Leung Limited | 512 | — | 2 |
| AS201830GB | ETERNITY-CLOUD-MNT Eternity Cloud Limited | 512 | — | 2 |
| AS218625GB | COMMUNICATION-DYNAMICS Communication Dynamics Ltd | 512 | — | 2 |
| AS214661GB | AliceNetwork ALICE NETWORKS LTD | 512 | — | 2 |
| AS202574GB | ASN-VLE VLE LIMITED | 512 | — | 2 |
| AS51087GB | BLING-AS Bling Network Ltd | 512 | 1.1K | 23 |
| AS61978GB | IRIDIS York UK Hosting Ltd | 512 | 1 | 2 |
| AS208915GB | HyperLink HYPERLXC MEDICAL LTD | 512 | 65.5K | 6 |
| AS204624GB | sycurio Sycurio Limited | 512 | — | 2 |
| AS201478GB | REDI_TECH Refinitiv Limited | 512 | — | 2 |
| AS62299GB | BLUEMATRIX-AS Bluematrix Research LTD | 512 | — | 2 |
| AS212035GB | Babcock_International Babcock Corporate Services Ltd | 512 | — | 2 |
| AS214260GB | ITCommunications I.T Communications Limited | 512 | — | 2 |
| AS219236GB | WGL Wolf Girls Limited | 512 | 1 | 3 |
| AS218316GB | SPACECORE SPACECORE SOLUTION LTD | 512 | 2 | 4 |
| AS198957GB | SYSTEMFORCE_AS System Force I.T. Ltd | 512 | — | 2 |
| AS215981GB | X-Fibre X-Fibre Ltd | 512 | — | 2 |
| AS47571GB | DCMANAGED Digital Craftsmen Ltd. | 512 | — | 2 |
| AS51983GB | SARGASSO-DE-AS Sargasso N1 Limited | 512 | — | 1 |
| AS43669GB | ACSL2 Axia Computer Systems Limited | 512 | — | 2 |
| AS204322GB | uk-nyt-lhr1 New York Times Limited | 512 | — | 1 |
| AS49958GB | EVO-AS Evolution Gaming LTD | 512 | — | 2 |
| AS31743GB | IPGGIS-UK-AS Interpublic GIS (UK) Ltd | 512 | 524.3K | 3 |
| AS212646GB | SSLN-AS Sporting Solutions Services Limited | 512 | — | 2 |
| AS50078GB | X-ON X-ON HEALTH LIMITED | 512 | — | 2 |
| AS41538GB | INSPIRED-AS Inspired Gaming (UK) Limited | 512 | — | 2 |
| AS215322GB | connectcov UK Dedicated Servers Limited | 512 | 65.5K | 3 |
| AS207673GB | UK-PERFORMCONTENT Perform Content Services Limited | 512 | — | 1 |
| AS59876GB | SHELFSPACE Thomas James Elliott | 512 | 1 | 3 |
| AS34934GB | UKFast ANS ACADEMY LIMITED | 512 | — | 2 |
| AS42214GB | GDNS Network Services Ltd. | 512 | 2 | 4 |
| AS43259GB | LEIDOS-UK Leidos Innovations UK LTD | 512 | — | 2 |
| AS44480GB | Brevan-Howard-AS Brevan Howard Asset Management LLP | 512 | — | 2 |
| AS202297GB | SKYLON Skylon Solutions Limited | 512 | 65.6K | 8 |
| AS214557GB | hostmenow HOSTMENOW LTD | 512 | — | 2 |
| AS214555GB | Treasury Treasury Limited | 512 | 524.3K | 10 |
| AS202416GB | DATALORDS Affiliate Squared Technologies Limited | 512 | 524.3K | 4 |
| AS51823GB | MTNETWORKSLTD Microtalk Europe Ltd | 512 | — | 2 |
| AS215320GB | AlncomAS2 ALNWICK COMPUTERWARE LTD. | 512 | 131.1K | 3 |
| AS15865GB | ELLIOTT-UK-AS Elliott Advisors UK (Ltd) | 512 | — | 2 |
| AS207194GB | TOTALCOMPUTERS Total Computer Services Ltd | 512 | — | 2 |
| AS207701GB | DataGrid Talia Limited | 512 | 1 | 3 |