René's autonomous number (ASN) Lookup Tool

Enter an ASN Number:

BT British Telecommunications PLC (GB)

This AS controls 600320 IP 4 addresses:

StartEndAddresses
61.14.0.061.14.63.25516384
61.14.1.061.14.1.255256
61.14.2.061.14.3.255512
61.14.4.061.14.7.2551024
61.14.7.061.14.7.255256
61.14.8.061.14.11.2551024
61.14.11.061.14.11.255256
61.14.12.061.14.15.2551024
61.14.15.061.14.15.255256
61.14.20.061.14.23.2551024
61.14.24.061.14.27.2551024
61.14.28.061.14.31.2551024
61.14.31.061.14.31.255256
61.14.32.061.14.35.2551024
61.14.34.061.14.34.255256
61.14.36.061.14.36.255256
61.14.36.061.14.39.2551024
61.14.39.061.14.39.255256
61.14.40.061.14.43.2551024
61.14.44.061.14.47.2551024
61.14.48.061.14.51.2551024
61.14.52.061.14.52.255256
63.250.128.063.250.131.2551024
63.250.131.063.250.131.255256
63.250.132.063.250.132.255256
63.250.132.063.250.135.2551024
63.250.135.063.250.135.255256
63.250.136.063.250.139.2551024
63.250.140.063.250.143.2551024
63.250.144.063.250.144.255256
63.250.144.063.250.147.2551024
63.250.147.063.250.147.255256
63.250.148.063.250.151.2551024
63.250.152.063.250.155.2551024
63.250.155.063.250.155.255256
63.250.156.063.250.159.2551024
63.250.159.063.250.159.255256
63.250.160.063.250.163.2551024
63.250.163.063.250.163.255256
63.250.164.063.250.164.255256
63.250.128.063.250.191.25516384
63.250.168.063.250.171.2551024
63.250.171.063.250.171.255256
63.250.172.063.250.172.255256
63.250.173.063.250.173.255256
63.250.174.063.250.174.255256
63.250.176.063.250.179.2551024
63.250.180.063.250.183.2551024
63.250.184.063.250.187.2551024
63.250.187.063.250.187.255256
63.250.189.063.250.189.255256
63.250.191.063.250.191.255256
72.29.128.072.29.143.2554096
72.29.132.072.29.135.2551024
136.238.168.0136.238.168.255256
136.238.185.0136.238.185.255256
136.238.187.0136.238.187.255256
136.238.229.0136.238.229.255256
136.238.232.0136.238.232.255256
136.238.238.0136.238.238.255256
136.238.239.0136.238.239.255256
136.238.240.0136.238.240.255256
136.238.241.0136.238.241.255256
136.238.243.0136.238.243.255256
185.249.5.0185.249.5.255256
185.249.6.0185.249.6.255256
192.92.18.0192.92.18.255256
192.92.19.0192.92.19.255256
192.92.20.0192.92.23.2551024
192.92.24.0192.92.31.2552048
192.92.32.0192.92.63.2558192
192.92.80.0192.92.81.255512
192.92.82.0192.92.82.255256
192.157.130.0192.157.131.255512
192.157.132.0192.157.135.2551024
192.157.136.0192.157.143.2552048
192.157.144.0192.157.159.2554096
192.157.160.0192.157.161.255512
192.237.64.0192.237.127.25516384
194.33.52.0194.33.52.255256
195.206.69.0195.206.69.255256
195.206.70.0195.206.70.255256
198.137.75.0198.137.75.255256
198.178.237.0198.178.237.255256
198.178.239.0198.178.239.255256
198.207.64.0198.207.67.2551024
198.207.64.0198.207.127.25516384
198.207.72.0198.207.75.2551024
198.207.76.0198.207.79.2551024
199.6.64.0199.6.127.25516384
203.187.128.0203.187.131.2551024
203.187.128.0203.187.159.2558192
203.187.145.0203.187.145.255256
203.187.146.0203.187.146.255256
204.52.187.0204.52.187.255256
204.79.84.0204.79.84.255256
204.140.64.0204.140.127.25516384
204.231.0.0204.231.127.25532768
204.231.128.0204.231.191.25516384
205.248.0.0205.248.255.25565536
206.182.0.0206.182.255.25565536
206.182.128.0206.182.191.25516384
206.182.134.0206.182.134.255256
206.182.164.0206.182.164.255256
206.182.192.0206.182.255.25516384
207.117.0.0207.117.255.25565536
207.209.0.0207.209.255.25565536
207.209.0.0207.209.31.2558192
207.209.64.0207.209.95.2558192
209.28.0.0209.28.255.25565536
209.28.174.0209.28.174.255256

Source of data

This data was collected from the five Regional Internet Registries (RIR): AfrinIC, APNIC, ARIN, LACNIC and RIPE.
Check your user agent's IP address.
List of autonomous systems in GB
log_id = 212569
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Disclaimer: This dataset is provided "as is" for informational purposes only.
No guarantee is made regarding the accuracy, completeness, or timeliness of the data. The provider makes no warranties, either express or implied, and assumes no legal liability or responsibility for any loss or damage resulting from the use, misuse, or reliance on this dataset. Users are responsible for verifying any results obtained from it and for ensuring that their use complies with applicable laws and regulations.