Summary
| ASN | AS20057 AT&T Enterprises, LLC |
| BGP | 166.200.0.0/16 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 2025-04-01 |
| Last Updated | 2026-08-26 |
| 166.200.1.0/24 | N/A | 0 | 1 | 1 |
| 166.200.4.0/24 | N/A | 0 | 1 | 1 |
| 166.200.36.0/24 | N/A | 0 | 1 | 1 |
| 166.200.40.0/24 | N/A | 0 | 1 | 1 |
| 166.200.42.0/24 | N/A | 0 | 1 | 1 |
| 166.200.112.0/24 | N/A | 0 | 1 | 1 |
| 166.200.117.0/24 | N/A | 0 | 1 | 1 |
| 166.200.118.0/24 | N/A | 0 | 1 | 1 |
| 166.200.119.0/24 | N/A | 0 | 1 | 1 |
| 166.200.161.0/24 | N/A | 0 | 1 | 1 |
| 166.200.186.0/24 | N/A | 0 | 1 | 1 |
| 166.200.212.0/24 | N/A | 0 | 1 | 1 |
| 166.200.218.0/24 | N/A | 0 | 1 | 1 |
| 166.200.220.0/24 | N/A | 0 | 1 | 1 |
| 166.200.232.0/24 | N/A | 0 | 1 | 1 |