AS13205 British Telecommunications Limited
General Info - AS13205
26,880
0
IP Address Ranges
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 31.11.56.0/23 | 31.11.56.0 | 31.11.57.255 | 512 | |
| 31.11.58.0/23 | 31.11.58.0 | 31.11.59.255 | 512 | |
| 31.11.60.0/22 | 31.11.60.0 | 31.11.63.255 | 1,024 | |
| 78.109.0.0/24 | 78.109.0.0 | 78.109.0.255 | 256 | |
| 78.109.1.0/24 | 78.109.1.0 | 78.109.1.255 | 256 | |
| 78.109.2.0/23 | 78.109.2.0 | 78.109.3.255 | 512 | |
| 78.109.4.0/24 | 78.109.4.0 | 78.109.4.255 | 256 | |
| 78.109.5.0/24 | 78.109.5.0 | 78.109.5.255 | 256 | |
| 78.109.6.0/24 | 78.109.6.0 | 78.109.6.255 | 256 | |
| 78.109.7.0/24 | 78.109.7.0 | 78.109.7.255 | 256 | |
| 78.109.8.0/24 | 78.109.8.0 | 78.109.8.255 | 256 | |
| 78.109.9.0/24 | 78.109.9.0 | 78.109.9.255 | 256 | |
| 78.109.10.0/24 | 78.109.10.0 | 78.109.10.255 | 256 | |
| 78.109.11.0/24 | 78.109.11.0 | 78.109.11.255 | 256 | |
| 78.109.12.0/22 | 78.109.12.0 | 78.109.15.255 | 1,024 | |
| 192.31.31.0/24 | 192.31.31.0 | 192.31.31.255 | 256 | |
| 192.65.153.0/24 | 192.65.153.0 | 192.65.153.255 | 256 | |
| 193.35.182.0/23 | 193.35.182.0 | 193.35.183.255 | 512 | |
| 193.35.184.0/21 | 193.35.184.0 | 193.35.191.255 | 2,048 | |
| 193.35.192.0/22 | 193.35.192.0 | 193.35.195.255 | 1,024 | |
| 193.35.196.0/24 | 193.35.196.0 | 193.35.196.255 | 256 | |
| 217.140.0.0/21 | 217.140.0.0 | 217.140.7.255 | 2,048 | |
| 217.140.8.0/22 | 217.140.8.0 | 217.140.11.255 | 1,024 | |
| 217.140.12.0/24 | 217.140.12.0 | 217.140.12.255 | 256 | |
| 217.140.13.0/24 | 217.140.13.0 | 217.140.13.255 | 256 | |
| 217.140.14.0/23 | 217.140.14.0 | 217.140.15.255 | 512 | |
| 217.140.16.0/20 | 217.140.16.0 | 217.140.31.255 | 4,096 | |
| 217.140.32.0/19 | 217.140.32.0 | 217.140.63.255 | 8,192 |
| Netblock | From IP | To IP | Number of IPs |
|---|
Downstreams
There are no downstreams for this ASN.
What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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