Address space
AS25993 ATT-LABS-AUSTIN-TX
IPv4 prefixes
25
43.26K addresses
IPv6 prefixes
2
Most common size
/22
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 | 27 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 64.123.22.0/24 | IPv4 | 256 | US | |
| 108.79.160.0/20 | IPv4 | 4,096 | US | |
| 144.60.0.0/21 | IPv4 | 2,048 | US | |
| 144.60.9.0/24 | IPv4 | 256 | US | |
| 144.60.10.0/23 | IPv4 | 512 | US | |
| 144.60.12.0/22 | IPv4 | 1,024 | US | |
| 144.60.16.0/20 | IPv4 | 4,096 | US | |
| 144.60.32.0/19 | IPv4 | 8,192 | US | |
| 144.60.64.0/19 | IPv4 | 8,192 | US | |
| 144.60.96.0/23 | IPv4 | 512 | US | |
| 144.60.98.0/24 | IPv4 | 256 | US | |
| 144.60.112.0/22 | IPv4 | 1,024 | US | |
| 144.60.116.0/23 | IPv4 | 512 | US | |
| 144.60.124.0/22 | IPv4 | 1,024 | US | |
| 144.60.128.0/21 | IPv4 | 2,048 | US | |
| 144.60.190.0/23 | IPv4 | 512 | US | |
| 144.60.192.0/21 | IPv4 | 2,048 | US | |
| 144.60.200.0/22 | IPv4 | 1,024 | US | |
| 144.60.204.0/22 | IPv4 | 1,024 | US | |
| 144.60.208.0/23 | IPv4 | 512 | US | |
| 144.60.210.0/23 | IPv4 | 512 | US | |
| 144.60.212.0/22 | IPv4 | 1,024 | US | |
| 144.60.216.0/21 | IPv4 | 2,048 | US | |
| 205.173.58.0/24 | IPv4 | 256 | US | |
| 209.64.7.0/24 | IPv4 | 256 | US | |
| 2620:10d:9000::/48 | IPv6 | — | US | |
| 2620:10d:900f::/48 | IPv6 | — | US |