Address space
AS21558 SC-JOHNSON
IPv4 prefixes
17
65.54K 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 | 17 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 152.72.0.0/18 | IPv4 | 16,384 | US | |
| 152.72.64.0/20 | IPv4 | 4,096 | US | |
| 152.72.80.0/23 | IPv4 | 512 | US | |
| 152.72.82.0/23 | IPv4 | 512 | US | |
| 152.72.84.0/22 | IPv4 | 1,024 | US | |
| 152.72.88.0/21 | IPv4 | 2,048 | US | |
| 152.72.96.0/19 | IPv4 | 8,192 | US | |
| 152.72.128.0/23 | IPv4 | 512 | US | |
| 152.72.130.0/24 | IPv4 | 256 | US | |
| 152.72.131.0/24 | IPv4 | 256 | US | |
| 152.72.132.0/24 | IPv4 | 256 | US | |
| 152.72.133.0/24 | IPv4 | 256 | US | |
| 152.72.134.0/23 | IPv4 | 512 | US | |
| 152.72.136.0/21 | IPv4 | 2,048 | US | |
| 152.72.144.0/20 | IPv4 | 4,096 | US | |
| 152.72.160.0/19 | IPv4 | 8,192 | US | |
| 152.72.192.0/18 | IPv4 | 16,384 | US |