Address space
AS5723 JHU
IPv4 prefixes
7
136K addresses
IPv6 prefixes
1
Most common size
/16
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 | 8 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 128.220.0.0/16 | IPv4 | 65,536 | US | |
| 162.129.0.0/16 | IPv4 | 65,536 | US | |
| 192.12.13.0/24 | IPv4 | 256 | US | |
| 192.12.14.0/24 | IPv4 | 256 | US | |
| 198.57.32.0/21 | IPv4 | 2,048 | US | |
| 198.57.40.0/22 | IPv4 | 1,024 | US | |
| 204.124.184.0/22 | IPv4 | 1,024 | US | |
| 2606:2b00::/32 | IPv6 | — | US |