Address space
AS26072 FIRSTENERGY
IPv4 prefixes
26
67.58K addresses
IPv6 prefixes
8
Most common size
/24
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 |
|---|---|---|
| US | United States of America | 34 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 148.108.0.0/19 | IPv4 | 8,192 | US | |
| 148.108.32.0/21 | IPv4 | 2,048 | US | |
| 148.108.40.0/21 | IPv4 | 2,048 | US | |
| 148.108.48.0/20 | IPv4 | 4,096 | US | |
| 148.108.64.0/22 | IPv4 | 1,024 | US | |
| 148.108.68.0/24 | IPv4 | 256 | US | |
| 148.108.69.0/24 | IPv4 | 256 | US | |
| 148.108.70.0/23 | IPv4 | 512 | US | |
| 148.108.72.0/21 | IPv4 | 2,048 | US | |
| 148.108.80.0/20 | IPv4 | 4,096 | US | |
| 148.108.96.0/24 | IPv4 | 256 | US | |
| 148.108.97.0/24 | IPv4 | 256 | US | |
| 148.108.98.0/24 | IPv4 | 256 | US | |
| 148.108.99.0/24 | IPv4 | 256 | US | |
| 148.108.100.0/22 | IPv4 | 1,024 | US | |
| 148.108.104.0/21 | IPv4 | 2,048 | US | |
| 148.108.112.0/20 | IPv4 | 4,096 | US | |
| 148.108.128.0/18 | IPv4 | 16,384 | US | |
| 148.108.192.0/20 | IPv4 | 4,096 | US | |
| 148.108.208.0/23 | IPv4 | 512 | US | |
| 148.108.210.0/24 | IPv4 | 256 | US | |
| 148.108.211.0/24 | IPv4 | 256 | US | |
| 148.108.212.0/22 | IPv4 | 1,024 | US | |
| 148.108.216.0/21 | IPv4 | 2,048 | US | |
| 148.108.224.0/19 | IPv4 | 8,192 | US | |
| 205.132.72.0/21 | IPv4 | 2,048 | US | |
| 2620:17e::/43 | IPv6 | — | US | |
| 2620:17e:20::/48 | IPv6 | — | US | |
| 2620:17e:21::/48 | IPv6 | — | US | |
| 2620:17e:22::/47 | IPv6 | — | US | |
| 2620:17e:24::/46 | IPv6 | — | US | |
| 2620:17e:28::/45 | IPv6 | — | US | |
| 2620:17e:30::/44 | IPv6 | — | US | |
| 2620:17e:400::/39 | IPv6 | — | US |