Summary
| ASN | AS7018 AT&T Enterprises, LLC |
| BGP | 12.128.0.0/9 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1983-08-23 |
| Last Updated | 2026-08-26 |
| 12.153.3.0/24 | N/A | 0 | 1 | 1 |
| 12.153.20.0/24 | N/A | 0 | 1 | 1 |
| 12.153.31.0/24 | N/A | 0 | 1 | 1 |
| 12.153.50.0/24 | N/A | 0 | 1 | 1 |
| 12.153.89.0/24 | N/A | 0 | 1 | 1 |
| 12.153.192.0/24 | N/A | 0 | 1 | 1 |
| 12.153.224.0/24 | N/A | 0 | 1 | 1 |
| 12.153.230.0/24 | N/A | 0 | 1 | 1 |
| 12.153.231.0/24 | N/A | 0 | 1 | 1 |
| 12.153.241.0/24 | N/A | 0 | 1 | 1 |
| 12.153.242.0/24 | N/A | 0 | 1 | 2 |
| 12.153.243.0/24 | N/A | 0 | 1 | 1 |