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 | 170 |
| AS206067GB | H3GUK Hutchison 3G UK Limited | 1.1M | 332 |
| AS212238GB | CDNEXT Datacamp Limited | 976.9K | 4,012 |
| WAICORE-LTD WAIcore Ltd |
| 16.6K |
| 18.9K |
| 72 |
| AS204800GB | WHG-SGP WHG Hosting Services Ltd | 17.2K | — | 24 |
| AS8613GB | Wavenet-AS8613 Wavenet Limited | 17.4K | 65.5K | 4 |
| AS61124GB | Marstons Marston's Telecoms Limited | 17.4K | 65.5K | 5 |
| AS12775GB | JPCINET JPC Infonet Ltd | 17.4K | 131.1K | 7 |
| AS60377GB | TOOB toob limited | 17.4K | 524.3K | 3 |
| AS215152GB | ORG-CUL21-RIPE CATERING UK LIMITED | 17.4K | 8.9M | 85 |
| AS5564GB | SOL-AS Brightsolid Online Technology Ltd | 17.4K | 524.3K | 7 |
| AS201471GB | BIGSTEP-CLOUD Bigstep Cloud Limited | 17.7K | 1 | 25 |
| AS12488GB | KRYSTAL Krystal Hosting Ltd | 18.2K | 786.4K | 28 |
| AS29457GB | OPTIONS-AS Options Technology Ltd | 18.2K | 65.5K | 59 |
| AS205975GB | connect-fibre Fibre Assets Ltd | 18.2K | 917.5K | 18 |
| AS207456GB | PANGEA-CONNECTED Pangea Connected Limited | 18.2K | — | 24 |
| AS6717GB | AS6717 Internet Central Limited | 18.4K | 524.3K | 6 |
| AS51263GB | COUNTYBB County Broadband Ltd | 18.4K | 524.3K | 14 |
| AS34066GB | TELAPPLIANT-AS Telappliant Limited | 18.9K | — | 11 |
| AS3170GB | VELOXSERV VeloxServ Communications Ltd | 18.9K | 1.2M | 81 |
| AS210546GB | CHSL-ONE CHSL ONE LTD | 19.2K | 4.1K | 76 |
| AS45014GB | NCONNECT Nuco Technologies Ltd | 19.2K | 49.9K | 35 |
| AS29668GB | QUBE vXtream Ltd | 19.2K | 513 | 41 |
| AS43949GB | MMC Marsh Limited | 19.2K | — | 11 |
| AS198781GB | G3NS Connect Managed Services (UK) Limited | 19.2K | 65.5K | 33 |
| AS216138GB | SKYQUANTUM-TELECOM SKYQUANTUM TELECOM LTD. | 19.5K | 1.6M | 93 |
| AS42228GB | Brightstar Brightstar Limited | 19.5K | 65.5K | 12 |
| AS50131GB | SPARTANHOST Spartan Host Ltd | 19.5K | 24.6K | 98 |
| AS51551GB | CAPITA-AS Capita Business Services Ltd | 19.7K | — | 4 |
| AS216127GB | NUXT-AS INTERNATIONAL HOSTING COMPANY LIMITED | 19.7K | 4.1K | 82 |
| AS28757GB | ASN-SCOTNET Scotnet.co.uk Ltd | 20K | — | 11 |
| AS60819GB | SAFENAMES-AS Safenames Ltd. | 20K | 65.5K | 64 |
| AS13126GB | SMS-NET Satellite Mediaport Services Ltd. | 20.5K | 524.3K | 18 |
| AS31273GB | AS-BISTECH Bistech Managed Services Ltd | 21K | 65.5K | 10 |
| AS13205GB | British Telecommunications PLC | 21K | — | 16 |
| AS12496GB | IDNET Infinity Developments Limited | 21K | 65.5K | 8 |
| AS200740GB | FIRST-SERVER-EU-AS FIRST SERVER LIMITED | 21.2K | 14 | 60 |
| AS30967GB | TRUPHONE-LTD TP Global Operations Limited | 21.2K | — | 29 |
| AS20705GB | HSBC-UK HSBC Bank plc | 21.5K | 6 | 33 |
| AS50957GB | MEMSET MEMSET Ltd | 21.5K | 65.5K | 9 |
| AS34555GB | CCS-Leeds-ASN C.C.S. (Leeds) Ltd | 21.5K | 65.5K | 18 |
| AS212286GB | LONCONNECT LonConnect Ltd | 22K | 524.3K | 26 |
| AS210619GB | mth-networks Monkey Tree Hosting Limited | 22.3K | 131.1K | 15 |
| AS35826GB | NETSERVERS-AS Netservers Limited | 22.5K | 589.8K | 13 |
| AS213877GB | U1DS-AS U1 DIGITAL SERVICES LTD | 22.5K | 4.2K | 91 |
| AS30914GB | IOKO-AS Redcentric Solutions Ltd | 22.8K | — | 7 |
| AS15641GB | Arqiva Arqiva Communications Ltd | 22.8K | — | 16 |
| AS198440GB | Giganet AllPoints Fibre Networks Limited | 23.3K | 524.3K | 11 |
| AS16353GB | Merula Merula Limited | 23.8K | 1.2M | 22 |
| AS199468GB | Solway-Comms-UK GRAIN COMMUNICATIONS LIMITED | 23.8K | 1M | 7 |