AS number details

AS3300

United Kingdom

ASN AS3300
Name BT
Organisation British Telecommunications PLC ORG-CNS3-RIPE
Registry RIPE
Allocated 2002-09-19
Updated 2023-11-16
Route Range Num of IPs
63.250.128.0/18 63.250.128.0 — 63.250.191.255 16384
61.14.0.0/18 61.14.0.0 — 61.14.63.255 16384
61.14.0.0/19 61.14.0.0 — 61.14.31.255 8192
61.14.32.0/19 61.14.32.0 — 61.14.63.255 8192
203.187.128.0/19 203.187.128.0 — 203.187.159.255 8192
195.206.64.0/19 195.206.64.0 — 195.206.95.255 8192
195.184.128.0/19 195.184.128.0 — 195.184.159.255 8192
72.29.128.0/20 72.29.128.0 — 72.29.143.255 4096
61.14.0.0/20 61.14.0.0 — 61.14.15.255 4096
61.14.16.0/20 61.14.16.0 — 61.14.31.255 4096
61.14.32.0/20 61.14.32.0 — 61.14.47.255 4096
61.14.48.0/20 61.14.48.0 — 61.14.63.255 4096
203.187.128.0/20 203.187.128.0 — 203.187.143.255 4096
203.187.144.0/20 203.187.144.0 — 203.187.159.255 4096
205.143.144.0/21 205.143.144.0 — 205.143.151.255 2048
61.14.0.0/21 61.14.0.0 — 61.14.7.255 2048
61.14.8.0/21 61.14.8.0 — 61.14.15.255 2048
61.14.16.0/21 61.14.16.0 — 61.14.23.255 2048
61.14.24.0/21 61.14.24.0 — 61.14.31.255 2048
61.14.32.0/21 61.14.32.0 — 61.14.39.255 2048
61.14.40.0/21 61.14.40.0 — 61.14.47.255 2048
61.14.48.0/21 61.14.48.0 — 61.14.55.255 2048
61.14.56.0/21 61.14.56.0 — 61.14.63.255 2048
203.187.128.0/21 203.187.128.0 — 203.187.135.255 2048
203.187.136.0/21 203.187.136.0 — 203.187.143.255 2048
203.187.144.0/21 203.187.144.0 — 203.187.151.255 2048
203.187.152.0/21 203.187.152.0 — 203.187.159.255 2048
63.250.128.0/22 63.250.128.0 — 63.250.131.255 1024
63.250.132.0/22 63.250.132.0 — 63.250.135.255 1024
63.250.136.0/22 63.250.136.0 — 63.250.139.255 1024
63.250.140.0/22 63.250.140.0 — 63.250.143.255 1024
63.250.144.0/22 63.250.144.0 — 63.250.147.255 1024
63.250.148.0/22 63.250.148.0 — 63.250.151.255 1024
63.250.152.0/22 63.250.152.0 — 63.250.155.255 1024
63.250.156.0/22 63.250.156.0 — 63.250.159.255 1024
63.250.160.0/22 63.250.160.0 — 63.250.163.255 1024
63.250.168.0/22 63.250.168.0 — 63.250.171.255 1024
63.250.176.0/22 63.250.176.0 — 63.250.179.255 1024
63.250.180.0/22 63.250.180.0 — 63.250.183.255 1024
63.250.184.0/22 63.250.184.0 — 63.250.187.255 1024
72.29.128.0/22 72.29.128.0 — 72.29.131.255 1024
72.29.132.0/22 72.29.132.0 — 72.29.135.255 1024
72.29.136.0/22 72.29.136.0 — 72.29.139.255 1024
72.29.140.0/22 72.29.140.0 — 72.29.143.255 1024
203.187.128.0/22 203.187.128.0 — 203.187.131.255 1024
61.14.0.0/22 61.14.0.0 — 61.14.3.255 1024
61.14.4.0/22 61.14.4.0 — 61.14.7.255 1024
61.14.8.0/22 61.14.8.0 — 61.14.11.255 1024
61.14.12.0/22 61.14.12.0 — 61.14.15.255 1024
61.14.16.0/22 61.14.16.0 — 61.14.19.255 1024
61.14.20.0/22 61.14.20.0 — 61.14.23.255 1024
61.14.24.0/22 61.14.24.0 — 61.14.27.255 1024
61.14.28.0/22 61.14.28.0 — 61.14.31.255 1024
61.14.32.0/22 61.14.32.0 — 61.14.35.255 1024
61.14.36.0/22 61.14.36.0 — 61.14.39.255 1024
61.14.40.0/22 61.14.40.0 — 61.14.43.255 1024
61.14.44.0/22 61.14.44.0 — 61.14.47.255 1024
61.14.48.0/22 61.14.48.0 — 61.14.51.255 1024
61.14.52.0/22 61.14.52.0 — 61.14.55.255 1024
61.14.56.0/22 61.14.56.0 — 61.14.59.255 1024
61.14.60.0/22 61.14.60.0 — 61.14.63.255 1024
203.187.132.0/22 203.187.132.0 — 203.187.135.255 1024
203.187.136.0/22 203.187.136.0 — 203.187.139.255 1024
203.187.140.0/22 203.187.140.0 — 203.187.143.255 1024
203.187.144.0/22 203.187.144.0 — 203.187.147.255 1024
203.187.148.0/22 203.187.148.0 — 203.187.151.255 1024
203.187.152.0/22 203.187.152.0 — 203.187.155.255 1024
203.187.156.0/22 203.187.156.0 — 203.187.159.255 1024
63.250.176.0/23 63.250.176.0 — 63.250.177.255 512
61.14.0.0/23 61.14.0.0 — 61.14.1.255 512
61.14.2.0/23 61.14.2.0 — 61.14.3.255 512
61.14.4.0/23 61.14.4.0 — 61.14.5.255 512
61.14.6.0/23 61.14.6.0 — 61.14.7.255 512
61.14.8.0/23 61.14.8.0 — 61.14.9.255 512
61.14.10.0/23 61.14.10.0 — 61.14.11.255 512
61.14.12.0/23 61.14.12.0 — 61.14.13.255 512
61.14.14.0/23 61.14.14.0 — 61.14.15.255 512
61.14.16.0/23 61.14.16.0 — 61.14.17.255 512
61.14.18.0/23 61.14.18.0 — 61.14.19.255 512
61.14.20.0/23 61.14.20.0 — 61.14.21.255 512
61.14.22.0/23 61.14.22.0 — 61.14.23.255 512
61.14.24.0/23 61.14.24.0 — 61.14.25.255 512
61.14.26.0/23 61.14.26.0 — 61.14.27.255 512
61.14.28.0/23 61.14.28.0 — 61.14.29.255 512
61.14.30.0/23 61.14.30.0 — 61.14.31.255 512
61.14.32.0/23 61.14.32.0 — 61.14.33.255 512
61.14.34.0/23 61.14.34.0 — 61.14.35.255 512
61.14.36.0/23 61.14.36.0 — 61.14.37.255 512
61.14.38.0/23 61.14.38.0 — 61.14.39.255 512
61.14.40.0/23 61.14.40.0 — 61.14.41.255 512
61.14.42.0/23 61.14.42.0 — 61.14.43.255 512
61.14.44.0/23 61.14.44.0 — 61.14.45.255 512
61.14.46.0/23 61.14.46.0 — 61.14.47.255 512
61.14.48.0/23 61.14.48.0 — 61.14.49.255 512
61.14.50.0/23 61.14.50.0 — 61.14.51.255 512
61.14.52.0/23 61.14.52.0 — 61.14.53.255 512
61.14.54.0/23 61.14.54.0 — 61.14.55.255 512
61.14.56.0/23 61.14.56.0 — 61.14.57.255 512
61.14.58.0/23 61.14.58.0 — 61.14.59.255 512
61.14.60.0/23 61.14.60.0 — 61.14.61.255 512
+ 159 more
Route Range Num of IPs
2606:F100::/32 2606:f100:: — 2606:f100:ffff:ffff:ffff:ffff:ffff:ffff 296
2402:fb00::/32 2402:fb00:: — 2402:fb00:ffff:ffff:ffff:ffff:ffff:ffff 296
2402:fb00::/34 2402:fb00:: — 2402:fb00:3fff:ffff:ffff:ffff:ffff:ffff 294
2402:fb00:4000::/34 2402:fb00:4000:: — 2402:fb00:7fff:ffff:ffff:ffff:ffff:ffff 294
2402:fb00:8000::/34 2402:fb00:8000:: — 2402:fb00:bfff:ffff:ffff:ffff:ffff:ffff 294
2402:fb00:c000::/34 2402:fb00:c000:: — 2402:fb00:ffff:ffff:ffff:ffff:ffff:ffff 294
2402:fb00::/35 2402:fb00:: — 2402:fb00:1fff:ffff:ffff:ffff:ffff:ffff 293
2402:fb00:2000::/35 2402:fb00:2000:: — 2402:fb00:3fff:ffff:ffff:ffff:ffff:ffff 293
2402:fb00:4000::/35 2402:fb00:4000:: — 2402:fb00:5fff:ffff:ffff:ffff:ffff:ffff 293
2402:fb00:6000::/35 2402:fb00:6000:: — 2402:fb00:7fff:ffff:ffff:ffff:ffff:ffff 293
2402:fb00:8000::/35 2402:fb00:8000:: — 2402:fb00:9fff:ffff:ffff:ffff:ffff:ffff 293
2402:fb00:a000::/35 2402:fb00:a000:: — 2402:fb00:bfff:ffff:ffff:ffff:ffff:ffff 293
2402:fb00:c000::/35 2402:fb00:c000:: — 2402:fb00:dfff:ffff:ffff:ffff:ffff:ffff 293
2402:fb00:e000::/35 2402:fb00:e000:: — 2402:fb00:ffff:ffff:ffff:ffff:ffff:ffff 293
2606:F100::/36 2606:f100:: — 2606:f100:fff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:1000::/36 2606:f100:1000:: — 2606:f100:1fff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:2000::/36 2606:f100:2000:: — 2606:f100:2fff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:3000::/36 2606:f100:3000:: — 2606:f100:3fff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:4000::/36 2606:f100:4000:: — 2606:f100:4fff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:5000::/36 2606:f100:5000:: — 2606:f100:5fff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:6000::/36 2606:f100:6000:: — 2606:f100:6fff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:7000::/36 2606:f100:7000:: — 2606:f100:7fff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:8000::/36 2606:f100:8000:: — 2606:f100:8fff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:9000::/36 2606:f100:9000:: — 2606:f100:9fff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:A000::/36 2606:f100:a000:: — 2606:f100:afff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:B000::/36 2606:f100:b000:: — 2606:f100:bfff:ffff:ffff:ffff:ffff:ffff 292
2606:F100:C000::/36 2606:f100:c000:: — 2606:f100:cfff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00::/36 2402:fb00:: — 2402:fb00:fff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:1000::/36 2402:fb00:1000:: — 2402:fb00:1fff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:2000::/36 2402:fb00:2000:: — 2402:fb00:2fff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:3000::/36 2402:fb00:3000:: — 2402:fb00:3fff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:4000::/36 2402:fb00:4000:: — 2402:fb00:4fff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:5000::/36 2402:fb00:5000:: — 2402:fb00:5fff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:6000::/36 2402:fb00:6000:: — 2402:fb00:6fff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:7000::/36 2402:fb00:7000:: — 2402:fb00:7fff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:8000::/36 2402:fb00:8000:: — 2402:fb00:8fff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:9000::/36 2402:fb00:9000:: — 2402:fb00:9fff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:a000::/36 2402:fb00:a000:: — 2402:fb00:afff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:b000::/36 2402:fb00:b000:: — 2402:fb00:bfff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:c000::/36 2402:fb00:c000:: — 2402:fb00:cfff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:d000::/36 2402:fb00:d000:: — 2402:fb00:dfff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:e000::/36 2402:fb00:e000:: — 2402:fb00:efff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00:f000::/36 2402:fb00:f000:: — 2402:fb00:ffff:ffff:ffff:ffff:ffff:ffff 292
2402:fb00::/37 2402:fb00:: — 2402:fb00:7ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:800::/37 2402:fb00:800:: — 2402:fb00:fff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:1000::/37 2402:fb00:1000:: — 2402:fb00:17ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:1800::/37 2402:fb00:1800:: — 2402:fb00:1fff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:2000::/37 2402:fb00:2000:: — 2402:fb00:27ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:2800::/37 2402:fb00:2800:: — 2402:fb00:2fff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:3000::/37 2402:fb00:3000:: — 2402:fb00:37ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:3800::/37 2402:fb00:3800:: — 2402:fb00:3fff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:4000::/37 2402:fb00:4000:: — 2402:fb00:47ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:4800::/37 2402:fb00:4800:: — 2402:fb00:4fff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:5000::/37 2402:fb00:5000:: — 2402:fb00:57ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:5800::/37 2402:fb00:5800:: — 2402:fb00:5fff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:6000::/37 2402:fb00:6000:: — 2402:fb00:67ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:6800::/37 2402:fb00:6800:: — 2402:fb00:6fff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:7000::/37 2402:fb00:7000:: — 2402:fb00:77ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:7800::/37 2402:fb00:7800:: — 2402:fb00:7fff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:8000::/37 2402:fb00:8000:: — 2402:fb00:87ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:8800::/37 2402:fb00:8800:: — 2402:fb00:8fff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:9000::/37 2402:fb00:9000:: — 2402:fb00:97ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:9800::/37 2402:fb00:9800:: — 2402:fb00:9fff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:a000::/37 2402:fb00:a000:: — 2402:fb00:a7ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:a800::/37 2402:fb00:a800:: — 2402:fb00:afff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:b000::/37 2402:fb00:b000:: — 2402:fb00:b7ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:b800::/37 2402:fb00:b800:: — 2402:fb00:bfff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:c000::/37 2402:fb00:c000:: — 2402:fb00:c7ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:c800::/37 2402:fb00:c800:: — 2402:fb00:cfff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:d000::/37 2402:fb00:d000:: — 2402:fb00:d7ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:d800::/37 2402:fb00:d800:: — 2402:fb00:dfff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:e000::/37 2402:fb00:e000:: — 2402:fb00:e7ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:e800::/37 2402:fb00:e800:: — 2402:fb00:efff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:f000::/37 2402:fb00:f000:: — 2402:fb00:f7ff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00:f800::/37 2402:fb00:f800:: — 2402:fb00:ffff:ffff:ffff:ffff:ffff:ffff 291
2402:fb00::/38 2402:fb00:: — 2402:fb00:3ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:400::/38 2402:fb00:400:: — 2402:fb00:7ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:800::/38 2402:fb00:800:: — 2402:fb00:bff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:c00::/38 2402:fb00:c00:: — 2402:fb00:fff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:1000::/38 2402:fb00:1000:: — 2402:fb00:13ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:1400::/38 2402:fb00:1400:: — 2402:fb00:17ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:1800::/38 2402:fb00:1800:: — 2402:fb00:1bff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:1c00::/38 2402:fb00:1c00:: — 2402:fb00:1fff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:2000::/38 2402:fb00:2000:: — 2402:fb00:23ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:2400::/38 2402:fb00:2400:: — 2402:fb00:27ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:2800::/38 2402:fb00:2800:: — 2402:fb00:2bff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:2c00::/38 2402:fb00:2c00:: — 2402:fb00:2fff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:3000::/38 2402:fb00:3000:: — 2402:fb00:33ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:3400::/38 2402:fb00:3400:: — 2402:fb00:37ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:3800::/38 2402:fb00:3800:: — 2402:fb00:3bff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:3c00::/38 2402:fb00:3c00:: — 2402:fb00:3fff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:4000::/38 2402:fb00:4000:: — 2402:fb00:43ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:4400::/38 2402:fb00:4400:: — 2402:fb00:47ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:4800::/38 2402:fb00:4800:: — 2402:fb00:4bff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:4c00::/38 2402:fb00:4c00:: — 2402:fb00:4fff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:5000::/38 2402:fb00:5000:: — 2402:fb00:53ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:5400::/38 2402:fb00:5400:: — 2402:fb00:57ff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:5800::/38 2402:fb00:5800:: — 2402:fb00:5bff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:5c00::/38 2402:fb00:5c00:: — 2402:fb00:5fff:ffff:ffff:ffff:ffff:ffff 290
2402:fb00:6000::/38 2402:fb00:6000:: — 2402:fb00:63ff:ffff:ffff:ffff:ffff:ffff 290
+ 431 more