IP Tracker

AS3300

British Telecommunications PLC

GBUnknown2026-06-25

Announced prefixes 151

61.14.0.0/1861.14.1.0/2461.14.2.0/2361.14.4.0/2261.14.7.0/2461.14.8.0/2261.14.11.0/2461.14.12.0/2261.14.15.0/2461.14.20.0/2261.14.24.0/2261.14.28.0/2261.14.31.0/2461.14.32.0/2261.14.34.0/2461.14.36.0/2261.14.36.0/2461.14.39.0/2461.14.40.0/2261.14.44.0/2261.14.48.0/2261.14.52.0/2463.250.128.0/1863.250.128.0/2263.250.131.0/2463.250.132.0/2263.250.132.0/2463.250.135.0/2463.250.136.0/2363.250.138.0/2463.250.139.0/2463.250.140.0/2263.250.144.0/2263.250.144.0/2463.250.147.0/2463.250.148.0/2263.250.152.0/2263.250.155.0/2463.250.156.0/2263.250.159.0/2463.250.160.0/2263.250.163.0/2463.250.164.0/2463.250.165.0/2463.250.168.0/2263.250.171.0/2463.250.172.0/2463.250.173.0/2463.250.174.0/2463.250.176.0/2263.250.180.0/2263.250.184.0/2263.250.187.0/2463.250.189.0/2463.250.191.0/2472.29.128.0/2072.29.132.0/22136.238.168.0/24136.238.185.0/24136.238.187.0/24136.238.229.0/24136.238.232.0/24136.238.238.0/24136.238.239.0/24136.238.240.0/24136.238.241.0/24136.238.243.0/24185.249.5.0/24185.249.6.0/24192.92.18.0/24192.92.19.0/24192.92.20.0/22192.92.24.0/21192.92.32.0/19192.92.80.0/23192.92.82.0/24192.157.130.0/23192.157.132.0/22192.157.136.0/21192.157.144.0/20192.157.160.0/23192.237.64.0/18194.33.52.0/24195.206.69.0/24195.206.70.0/24198.137.75.0/24198.178.237.0/24198.178.239.0/24198.207.64.0/18198.207.64.0/22198.207.67.0/24198.207.68.0/22198.207.72.0/22198.207.74.0/24198.207.75.0/24198.207.76.0/22198.207.78.0/24198.207.79.0/24198.207.80.0/22198.207.127.0/24199.6.64.0/18203.187.128.0/19203.187.128.0/22203.187.145.0/24203.187.146.0/24204.52.187.0/24204.79.84.0/24204.140.64.0/18204.231.0.0/17204.231.128.0/18205.248.0.0/16206.182.0.0/16206.182.128.0/18206.182.134.0/24206.182.164.0/24206.182.192.0/18207.117.0.0/16207.209.0.0/16207.209.0.0/19207.209.64.0/19209.28.0.0/16209.28.174.0/242402:fb00::/322402:fb00::/362402:fb00:f00::/402402:fb00:1000::/362402:fb00:1f00::/402402:fb00:2000::/362402:fb00:2f00::/402402:fb00:3000::/362402:fb00:3f00::/402606:f100::/322606:f100::/362606:f100:f00::/402606:f100:1000::/362606:f100:1f00::/402606:f100:2000::/362606:f100:2f00::/402606:f100:3000::/362606:f100:3f00::/402606:f100:4000::/362606:f100:4f00::/402606:f100:5000::/362606:f100:5f00::/402606:f100:6000::/362606:f100:7000::/362606:f100:7f00::/402606:f100:8000::/362606:f100:8f00::/402606:f100:9000::/362606:f100:c000::/36

Snapshot history

DateNameCountryClassPrefixes
2026-11-13British Telecommunications LimitedGBUnknown152
2026-11-12British Telecommunications LimitedGBUnknown152
2026-11-11British Telecommunications LimitedGBUnknown152
2026-11-10British Telecommunications LimitedGBUnknown152
2026-11-09British Telecommunications LimitedGBUnknown152
2026-11-08British Telecommunications LimitedGBUnknown152
2026-11-07British Telecommunications LimitedGBUnknown152
2026-11-06British Telecommunications LimitedGBUnknown152
2026-11-05British Telecommunications LimitedGBUnknown152
2026-11-04British Telecommunications LimitedGBUnknown152
2026-11-03British Telecommunications LimitedGBUnknown152
2026-11-02British Telecommunications LimitedGBUnknown152
2026-11-01British Telecommunications LimitedGBUnknown152
2026-10-31British Telecommunications LimitedGBUnknown152
2026-10-30British Telecommunications LimitedGBUnknown152
2026-10-29British Telecommunications LimitedGBUnknown152
2026-10-28British Telecommunications LimitedGBUnknown152
2026-10-27British Telecommunications LimitedGBUnknown152
2026-10-26British Telecommunications LimitedGBUnknown152
2026-10-25British Telecommunications LimitedGBUnknown152
2026-10-24British Telecommunications LimitedGBUnknown152
2026-10-23British Telecommunications LimitedGBUnknown152
2026-10-22British Telecommunications LimitedGBUnknown152
2026-10-21British Telecommunications LimitedGBUnknown152
2026-10-20British Telecommunications LimitedGBUnknown152
2026-10-19British Telecommunications LimitedGBUnknown152
2026-10-18British Telecommunications LimitedGBUnknown152
2026-10-17British Telecommunications LimitedGBUnknown152
2026-10-16British Telecommunications LimitedGBUnknown152
2026-10-15British Telecommunications LimitedGBUnknown152
2026-10-14British Telecommunications LimitedGBUnknown152
2026-10-13British Telecommunications LimitedGBUnknown152
2026-10-12British Telecommunications LimitedGBUnknown152
2026-10-11British Telecommunications LimitedGBUnknown152
2026-10-10British Telecommunications LimitedGBUnknown152
2026-10-09British Telecommunications LimitedGBUnknown152
2026-10-08British Telecommunications LimitedGBUnknown152
2026-10-07British Telecommunications LimitedGBUnknown152
2026-10-06British Telecommunications LimitedGBUnknown152
2026-10-05British Telecommunications LimitedGBUnknown152
2026-10-04British Telecommunications LimitedGBUnknown152
2026-10-03British Telecommunications LimitedGBUnknown152
2026-10-02British Telecommunications LimitedGBUnknown152
2026-10-01British Telecommunications LimitedGBUnknown152
2026-09-30British Telecommunications LimitedGBUnknown152
2026-09-29British Telecommunications LimitedGBUnknown152
2026-09-28British Telecommunications LimitedGBUnknown152
2026-09-27British Telecommunications LimitedGBUnknown152
2026-09-26British Telecommunications LimitedGBUnknown152
2026-09-25British Telecommunications LimitedGBUnknown152
2026-09-24British Telecommunications LimitedGBUnknown152
2026-09-23British Telecommunications LimitedGBUnknown152
2026-09-22British Telecommunications LimitedGBUnknown152
2026-09-21British Telecommunications LimitedGBUnknown152
2026-09-20British Telecommunications LimitedGBUnknown152
2026-09-19British Telecommunications LimitedGBUnknown152
2026-09-18British Telecommunications LimitedGBUnknown152
2026-09-17British Telecommunications LimitedGBUnknown152
2026-09-16British Telecommunications LimitedGBUnknown152
2026-09-15British Telecommunications LimitedGBUnknown152
2026-09-14British Telecommunications LimitedGBUnknown152
2026-09-13British Telecommunications LimitedGBUnknown152
2026-09-12British Telecommunications LimitedGBUnknown152
2026-09-11British Telecommunications LimitedGBUnknown152
2026-09-10British Telecommunications LimitedGBUnknown152
2026-09-09British Telecommunications LimitedGBUnknown152
2026-09-08British Telecommunications LimitedGBUnknown152
2026-09-07British Telecommunications LimitedGBUnknown152
2026-09-06British Telecommunications LimitedGBUnknown152
2026-09-05British Telecommunications LimitedGBUnknown152
2026-09-04British Telecommunications LimitedGBUnknown152
2026-09-03British Telecommunications LimitedGBUnknown152
2026-09-02British Telecommunications LimitedGBUnknown152
2026-09-01British Telecommunications LimitedGBUnknown152
2026-08-31British Telecommunications LimitedGBUnknown152
2026-08-30British Telecommunications LimitedGBUnknown152
2026-08-29British Telecommunications LimitedGBUnknown152
2026-08-28British Telecommunications LimitedGBUnknown152
2026-08-27British Telecommunications LimitedGBUnknown152
2026-08-26British Telecommunications LimitedGBUnknown152
2026-08-25British Telecommunications LimitedGBUnknown152
2026-08-24British Telecommunications LimitedGBUnknown152
2026-08-23British Telecommunications LimitedGBUnknown152
2026-08-22British Telecommunications LimitedGBUnknown152
2026-08-21British Telecommunications LimitedGBUnknown152
2026-08-20British Telecommunications LimitedGBUnknown152
2026-08-19British Telecommunications LimitedGBUnknown152
2026-08-18British Telecommunications LimitedGBUnknown152
2026-08-17British Telecommunications LimitedGBUnknown152
2026-08-16British Telecommunications LimitedGBUnknown152
2026-08-15British Telecommunications LimitedGBUnknown152
2026-08-14British Telecommunications LimitedGBUnknown152
2026-08-13British Telecommunications LimitedGBUnknown152
2026-08-12British Telecommunications LimitedGBUnknown152
2026-08-11British Telecommunications LimitedGBUnknown152
2026-08-10British Telecommunications LimitedGBUnknown152
2026-08-09British Telecommunications LimitedGBUnknown152
2026-08-08British Telecommunications LimitedGBUnknown152
2026-08-07British Telecommunications LimitedGBUnknown152
2026-08-06British Telecommunications LimitedGBUnknown152
2026-08-05British Telecommunications LimitedGBUnknown152
2026-08-04British Telecommunications LimitedGBUnknown152
2026-08-03British Telecommunications LimitedGBUnknown152
2026-08-02British Telecommunications LimitedGBUnknown152
2026-08-01British Telecommunications LimitedGBUnknown152
2026-07-31British Telecommunications LimitedGBUnknown152
2026-07-30British Telecommunications LimitedGBUnknown151
2026-07-29British Telecommunications LimitedGBUnknown151
2026-07-28British Telecommunications LimitedGBUnknown151
2026-07-27British Telecommunications LimitedGBUnknown151
2026-07-26British Telecommunications LimitedGBUnknown151
2026-07-25British Telecommunications LimitedGBUnknown151
2026-07-24British Telecommunications LimitedGBUnknown151
2026-07-23British Telecommunications LimitedGBUnknown151
2026-07-22British Telecommunications LimitedGBUnknown151
2026-07-21British Telecommunications LimitedGBUnknown151
2026-07-20British Telecommunications LimitedGBUnknown151
2026-07-19British Telecommunications LimitedGBUnknown151
2026-07-18British Telecommunications LimitedGBUnknown151
2026-07-17British Telecommunications LimitedGBUnknown151
2026-07-16British Telecommunications LimitedGBUnknown151
2026-07-15British Telecommunications LimitedGBUnknown151
2026-07-14British Telecommunications LimitedGBUnknown151
2026-07-13British Telecommunications LimitedGBUnknown151
2026-07-12British Telecommunications LimitedGBUnknown151
2026-07-11British Telecommunications LimitedGBUnknown151
2026-07-10British Telecommunications LimitedGBUnknown151
2026-07-09British Telecommunications LimitedGBUnknown151
2026-07-08British Telecommunications LimitedGBUnknown151
2026-07-07British Telecommunications LimitedGBUnknown151
2026-07-06British Telecommunications LimitedGBUnknown151
2026-07-05British Telecommunications LimitedGBUnknown151
2026-07-04British Telecommunications LimitedGBUnknown151
2026-07-03British Telecommunications PLCGBUnknown151
2026-07-02British Telecommunications PLCGBUnknown151
2026-07-01British Telecommunications PLCGBUnknown151
2026-06-30British Telecommunications PLCGBUnknown151
2026-06-29British Telecommunications PLCGBUnknown151
2026-06-28British Telecommunications PLCGBUnknown151
2026-06-27British Telecommunications PLCGBUnknown151
2026-06-26British Telecommunications PLCGBUnknown151
2026-06-25British Telecommunications PLCGBUnknown151
2026-06-24British Telecommunications PLCGBUnknown151
2026-06-23British Telecommunications PLCGBUnknown151
2026-06-22British Telecommunications PLCGBUnknown151
2026-06-21British Telecommunications PLCGBUnknown151
2026-06-20British Telecommunications PLCGBUnknown151
2026-06-19British Telecommunications PLCGBUnknown151
2026-06-18British Telecommunications PLCGBUnknown151
2026-06-17British Telecommunications PLCGBUnknown151
2026-06-16British Telecommunications PLCGBUnknown151
2026-06-15British Telecommunications PLCGBUnknown151
2026-06-14British Telecommunications PLCGBUnknown151
2026-06-13British Telecommunications PLCGBUnknown151

IP-block changes

Open full filtered history →
ObservedBlockActionPrevious originsNew origins
2026-07-3163.250.151.0/24Acquired—AS3300
Changes page 1