Address space
AS58273 B4RN-AS
IPv4 prefixes
15
23.30K addresses
IPv6 prefixes
22
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.
Shape
Prefix sizes
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| GB | United Kingdom | 37 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 5.83.8.0/21 | IPv4 | 2,048 | GB | |
| 88.97.112.0/20 | IPv4 | 4,096 | GB | |
| 88.97.128.0/20 | IPv4 | 4,096 | GB | |
| 88.97.144.0/21 | IPv4 | 2,048 | GB | |
| 88.97.152.0/22 | IPv4 | 1,024 | GB | |
| 88.97.156.0/24 | IPv4 | 256 | GB | |
| 148.252.16.0/20 | IPv4 | 4,096 | GB | |
| 185.89.32.0/22 | IPv4 | 1,024 | GB | |
| 185.159.91.0/24 | IPv4 | 256 | GB | |
| 185.201.32.0/22 | IPv4 | 1,024 | GB | |
| 185.217.156.0/23 | IPv4 | 512 | GB | |
| 185.243.104.0/22 | IPv4 | 1,024 | GB | |
| 194.31.184.0/23 | IPv4 | 512 | GB | |
| 194.31.187.0/24 | IPv4 | 256 | GB | |
| 194.113.44.0/22 | IPv4 | 1,024 | GB | |
| 2a01:6240::/48 | IPv6 | — | GB | |
| 2a01:6240:19::/48 | IPv6 | — | GB | |
| 2a01:6240:22::/47 | IPv6 | — | GB | |
| 2a01:6240:24::/48 | IPv6 | — | GB | |
| 2a01:6240:26::/48 | IPv6 | — | GB | |
| 2a01:6240:30::/48 | IPv6 | — | GB | |
| 2a01:6240:80::/48 | IPv6 | — | GB | |
| 2a01:6242::/34 | IPv6 | — | GB | |
| 2a01:6242:8000::/34 | IPv6 | — | GB | |
| 2a01:6243::/34 | IPv6 | — | GB | |
| 2a01:6244::/34 | IPv6 | — | GB | |
| 2a01:6244:8000::/34 | IPv6 | — | GB | |
| 2a01:6245::/34 | IPv6 | — | GB | |
| 2a01:6246::/34 | IPv6 | — | GB | |
| 2a01:6247::/34 | IPv6 | — | GB | |
| 2a01:6247:8000::/34 | IPv6 | — | GB | |
| 2a10:cb80::/32 | IPv6 | — | GB | |
| 2a10:cb81::/34 | IPv6 | — | GB | |
| 2a10:cb81:4000::/34 | IPv6 | — | GB | |
| 2a10:cb81:8000::/33 | IPv6 | — | GB | |
| 2a10:cb82::/31 | IPv6 | — | GB | |
| 2a10:cb84::/30 | IPv6 | — | GB |