Address space
AS15119 SOUTHERN-ILLINOIS-UNIVERSITY
IPv4 prefixes
4
61.44K addresses
IPv6 prefixes
0
Most common size
/17
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 | 4 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 131.230.0.0/17 | IPv4 | 32,768 | US | |
| 131.230.128.0/18 | IPv4 | 16,384 | US | |
| 131.230.192.0/19 | IPv4 | 8,192 | US | |
| 131.230.240.0/20 | IPv4 | 4,096 | US |