AS5400 British Telecommunications Plc
General Info - AS5400
562,944
9,223,372,036,854,775,808
IP Address Ranges
| Netblock | Number of IPs | |
|---|---|---|
| 2001:740::/32 | 79,228,162,514,264,337,593,543,950,336 | |
| 2a00:2000::/23 | 40,564,819,207,303,340,847,894,502,572,032 | |
| 2a00:2200::/24 | 20,282,409,603,651,670,423,947,251,286,016 | |
| 2a00:2300::/25 | 10,141,204,801,825,835,211,973,625,643,008 | |
| 2a0c:7c80::/29 | 633,825,300,114,114,700,748,351,602,688 | |
| 2a0c:8480::/30 | 316,912,650,057,057,350,374,175,801,344 |
Upstreams
There are no upstreams for this ASN.
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.
