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 | 168 |
| AS206067GB | H3GUK Hutchison 3G UK Limited | 1.1M | 340 |
| AS212238GB | CDNEXT Datacamp Limited | 1M | 4,127 |
| 256 |
| — |
| 1 |
| AS57672GB | DJA-ASN Daniel James Austin | 256 | 1 | 2 |
| AS60339GB | H3GUK Hutchison 3G UK Limited | 256 | — | 1 |
| AS201304GB | CENTRALNIC-ANYCAST-E CentralNic Ltd | 256 | 1 | 2 |
| AS205615GB | SSC SS&C Solution Limited | 256 | — | 1 |
| AS202141GB | HALLHOST-AS Warren Hall | 256 | — | 1 |
| AS61283GB | MILLAR Andrew Millar Ltd | 256 | 1 | 2 |
| AS205676GB | DCE Data Center Experts LTD | 256 | — | 1 |
| AS41612GB | REDBEE-AS Red Bee Media Limited | 256 | — | 1 |
| AS48686GB | SOLTECH-ASN oRe Networks Limited | 256 | 1 | 2 |
| AS49448GB | PICO_UK PICO GLOBAL LTD. | 256 | — | 1 |
| AS30894GB | SINCH-MBLOX-AS SINCH UK LTD. | 256 | — | 1 |
| AS3220GB | INTERNET-TECHNOLOGY-ADVISORS Internet Technology Advisors Scandinavia Ab | 256 | — | 1 |
| AS43059GB | iitss IT Support Services Team Limited | 256 | 1 | 2 |
| AS12628GB | SCREAMING-NET-AS JACO ENGELBRECHT | 256 | 1 | 2 |
| AS201323GB | host-media-ltd Host Media Ltd | 256 | 65.5K | 2 |
| AS210549GB | CDW-IT-INFRA CDW Ltd | 256 | — | 1 |
| AS60890GB | CENTRALNIC-ANYCAST-B CentralNic Ltd | 256 | 1 | 2 |
| AS204821GB | Sinofibre Sinofibre Limited | 256 | — | 1 |
| AS205011GB | celertechuk Celer Technologies Limited | 256 | — | 1 |
| AS214188GB | VoltHosting VoltHosting Ltd | 256 | 256 | 2 |
| AS214451GB | R3ido101 Oliver Reid | 256 | 131.1K | 3 |
| AS207295GB | Akhtar Akhtar Technologies Limited | 256 | — | 1 |
| AS201529GB | ORCHID-CELLMARK-ABINGDON Orchid Cellmark Ltd | 256 | 1 | 2 |
| AS207019GB | TNCL Clouvider Limited | 256 | — | 1 |
| AS44426GB | SYNECTICS-AS Synectics Solutions Ltd | 256 | — | 1 |
| AS48706GB | EDP KERRIDGE COMMERCIAL SYSTEMS (KSH) LIMITED | 256 | — | 1 |
| AS3206GB | AFB-AS AF Blakemore & Son Ltd | 256 | — | 1 |
| AS211431GB | AndrewA Andrew Aubury | 256 | 369 | 10 |
| AS150325GB | TSUKUDANI-NETWORK - TSUKUDANI NETWORK | 256 | 4 | 5 |
| AS206664GB | FlextradeUK-2 FLEXTRADE UK LIMITED | 256 | — | 1 |
| AS214079GB | LENDNODES LendNodes LTD | 256 | 16 | 2 |
| AS212419GB | SALMON-AS Wunderman Thompson Commerce UK Ltd | 256 | — | 1 |
| AS212068GB | ALIOTH Alioth Systems Limited | 256 | 18 | 4 |
| AS198981GB | NETSHIELD-BYOIP NETSHIELD LTD | 256 | 4.1K | 2 |
| AS196839GB | VU-AS Amplefuture Group Limited | 256 | — | 1 |
| AS208755GB | NETWORKABLE Thomas Ferguson | 256 | — | 1 |
| AS197685GB | ONIONRING Onionring Limited | 256 | — | 1 |
| AS205237GB | SAVILLS-PLC SAVILLS PLC | 256 | — | 1 |
| AS201676GB | WAGHORN-CAPITAL-CO WAGHORN CAPITAL CO LTD | 256 | — | 1 |
| AS42465GB | FORCEPOINT-ANYCAST-AS Forcepoint UK Limited | 256 | — | 1 |
| AS9014GB | CEFAS Centre for Environment Fisheries and Aquaculture Science (CEFAS) | 256 | — | 1 |
| AS57770GB | ECHOINTERNET Echo Internet Limited | 256 | — | 1 |
| AS200473GB | Samsung-MSK-AS Samsung SDS Europe Ltd | 256 | — | 1 |
| AS204208GB | Peravix Peravix Group LTD | 256 | 272 | 3 |
| AS62374GB | andymace Andy Mace | 256 | — | 1 |
| AS200950GB | CalibourNetwork Calibour Limited | 256 | 817 | 8 |