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 |
| 12.139.4.0/24 | N/A | 0 | 1 | 1 |
| 12.139.62.0/24 | N/A | 0 | 1 | 1 |
| 12.139.63.0/24 | N/A | 0 | 1 | 1 |
| 12.139.74.0/24 | N/A | 0 | 1 | 1 |
| 12.139.78.0/24 | N/A | 0 | 1 | 1 |
| 12.139.81.0/24 | N/A | 0 | 1 | 1 |
| 12.139.83.0/24 | N/A | 0 | 1 | 1 |
| 12.139.109.0/24 | N/A | 0 | 1 | 1 |
| 12.139.114.0/24 | N/A | 0 | 1 | 1 |
| 12.139.118.0/24 | N/A | 0 | 1 | 1 |
| 12.139.121.0/24 | N/A | 0 | 1 | 1 |
| 12.139.122.0/24 | N/A | 0 | 1 | 1 |
| 12.139.123.0/24 | N/A | 0 | 1 | 1 |
| 12.139.152.0/24 | N/A | 0 | 1 | 1 |
| 12.139.164.0/24 | N/A | 0 | 1 | 1 |