British Telecommunications PLC
IP Prefixes
| Prefix |
|---|
LIRs
| LIR |
|---|
| uk.bt |
| uk.btgia |
| uk.btent |
| uk.btnet |
AS Numbers
| ASN | Name | Announced |
|---|---|---|
| AS2855 | BTRADIANZPARIS Radianz Datacentre Paris | No |
| AS2856 | BT-UK-AS BTnet UK Regional network | Yes |
| AS6685 | BTRADIANZFRANKFURT Radianz Datacentre Frankfurt | No |
| AS21122 | ASN-APPLICABLE | No |
| AS25006 | ABNATTRSVCAS | Yes |
| AS25050 | BACS-AS | Yes |
| AS25127 | BTOW BTopenworld Broadband & Narrowband networks located in the UK | No |
| AS29016 | PEARSON-EMEA | Yes |
| AS39060 | SAINSBURYS-NET | Yes |
| AS39933 | MOORE-EURO-CAP-AS | No |
| AS41373 | BT-PLC | Yes |
| AS41751 | OCADO | Yes |
| AS41830 | FITZ-NET-AS | No |
| AS41919 | GENESYS-UK | No |
| AS43251 | SURFCONTROL-READING | Yes |
| AS43392 | BLUEBAY-ASSET-AS | Yes |
| AS43949 | MMC | Yes |
| AS44268 | JCB-AS | Yes |
| AS48553 | MARKETAXESS | Yes |
| AS48706 | EDP | Yes |
| AS50039 | PG-UK | No |
| AS50063 | SAINSBURYS-NET | Yes |
| AS50445 | WIREFAST | Yes |
| AS57688 | BT-PSN-AS | No |
| AS196990 | COMFIRST-AS | Yes |
| AS197085 | SYKES-EUROPE-LTD-AS | Yes |
| AS197104 | GENTOO-AS | Yes |
| AS197122 | AFFINION-AS | Yes |
| AS197409 | CO-OPERATIVE-GROUP-AS | Yes |
| AS198189 | COPFS | No |
| AS198222 | WHC-AS | Yes |
| AS198300 | FES | Yes |
| AS204047 | BT-PSN-DNSP-AS | No |
| AS206210 | MS-AMLIN | No |
| AS212556 | BT-ESC | No |
| AS213265 | RSRUK | No |
| AS3300 | BT | Yes |
| AS5400 | BT | Yes |
| AS8472 | BT-GERMANY-NGN BT Germany NGN Network | No |
| AS8827 | CELSA-AS | No |
| AS12641 | BT_MPLS | No |
| AS13063 | Gothenburg | Yes |
| AS15410 | BT_HUNGARY | Yes |
| AS15494 | BT Limited, organizacni slozka | No |
| AS16203 | A Coruna | Yes |
| AS21025 | RGA-AS | No |
| AS24874 | TAKEDA-AS | No |
| AS29397 | HP-WEBVAULT | Yes |
| AS31249 | IEMPRESA-ES-AS | Yes |
| AS34982 | AS_ESAG | Yes |
| AS35461 | ACCIONA-AS | Yes |
| AS41994 | CREDITO-Y-CAUCION | Yes |
| AS42249 | TUEV_RHEINLAND_AS AM GRAUEN STEIN | Yes |
| AS43159 | SISTEMA-4B | Yes |
| AS44127 | GARRIGUES-AS | Yes |
| AS51466 | BRIDGESTONE-EUROPE-AS | Yes |
| AS60112 | CLARINS-HQ Multihoming Internet Access ParisNeuilly | Yes |
| AS208053 | CLARINS-HQ | Yes |
| AS13205 | BTWWIDC-H Autonomous System | Yes |
| AS15697 | BT-BS BT Ignite Intercontinental Satellite Video Streaming | No |
| AS35452 | CIMS-LON-UK | Yes |