Address space
AS21896 ALLIANT-ENERGY
IPv4 prefixes
7
4.10K addresses
IPv6 prefixes
0
Most common size
/23
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 |
|---|---|---|
| US | United States of America | 7 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 198.7.38.0/23 | IPv4 | 512 | US | |
| 198.7.42.0/23 | IPv4 | 512 | US | |
| 198.7.44.0/22 | IPv4 | 1,024 | US | |
| 207.71.128.0/23 | IPv4 | 512 | US | |
| 207.71.134.0/23 | IPv4 | 512 | US | |
| 207.71.136.0/23 | IPv4 | 512 | US | |
| 207.71.142.0/23 | IPv4 | 512 | US |