Address space
AS13205 BTWWIDC-H Autonomous System
IPv4 prefixes
8
17.66K addresses
IPv6 prefixes
0
Most common size
/22
IPv4
Flagged
0
Shape
Prefix sizes
How this network carves its IPv4 space. A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| GB | United Kingdom | 8 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 31.11.56.0/23 | IPv4 | 512 | GB | |
| 78.109.0.0/21 | IPv4 | 2,048 | GB | |
| 78.109.8.0/22 | IPv4 | 1,024 | GB | |
| 78.109.12.0/22 | IPv4 | 1,024 | GB | |
| 137.213.239.0/24 | IPv4 | 256 | GB | |
| 137.213.252.0/23 | IPv4 | 512 | GB | |
| 217.140.0.0/20 | IPv4 | 4,096 | GB | |
| 217.140.32.0/19 | IPv4 | 8,192 | GB |