AS20057 Announced Prefixes - page 13
1,640 prefixes originated in BGP by AS20057 AT&T Enterprises.
Prefixes 1,201-1,300
| Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| 166.184.92.0/23 | Valid | - | 2026-10-13 |
| 166.184.94.0/23 | Valid | - | 2026-10-13 |
| 166.184.96.0/20 | Valid | - | 2026-10-13 |
| 166.184.113.0/24 | Valid | - | 2026-10-13 |
| 166.184.114.0/24 | Valid | - | 2026-10-13 |
| 166.184.117.0/24 | Valid | - | 2026-10-13 |
| 166.184.120.0/21 | Valid | - | 2026-10-13 |
| 166.184.128.0/17 | Valid | - | 2026-10-13 |
| 166.184.147.0/24 | Valid | - | 2026-10-13 |
| 166.185.0.0/16 | Valid | - | 2026-10-13 |
| 166.185.0.0/17 | Valid | - | 2026-10-13 |
| 166.185.128.0/17 | Valid | - | 2026-10-13 |
| 166.185.144.0/23 | Valid | - | 2026-10-13 |
| 166.185.204.0/23 | Valid | - | 2026-10-13 |
| 166.185.207.0/24 | Valid | - | 2026-10-13 |
| 166.185.212.0/24 | Valid | - | 2026-10-13 |
| 166.186.0.0/16 | Valid | ARIN | 2026-10-13 |
| 166.186.2.0/23 | Valid | - | 2026-10-13 |
| 166.186.48.0/21 | Valid | - | 2026-10-13 |
| 166.186.89.0/24 | Valid | - | 2026-10-13 |
| 166.186.112.0/23 | Valid | - | 2026-10-13 |
| 166.186.196.0/23 | Valid | - | 2026-10-13 |
| 166.187.0.0/16 | Valid | ARIN | 2026-10-13 |
| 166.187.0.0/18 | Valid | - | 2026-10-13 |
| 166.187.64.0/18 | Valid | - | 2026-10-13 |
| 166.187.128.0/18 | Valid | - | 2026-10-13 |
| 166.187.192.0/18 | Valid | - | 2026-10-13 |
| 166.188.66.0/24 | Valid | ARIN | 2026-10-13 |
| 166.193.0.0/17 | Valid | ARIN | 2026-10-13 |
| 166.193.10.0/23 | Valid | ARIN | 2026-10-13 |
| 166.193.16.0/20 | Valid | ARIN | 2026-10-13 |
| 166.193.32.0/21 | Valid | ARIN | 2026-10-13 |
| 166.193.40.0/23 | Valid | ARIN | 2026-10-13 |
| 166.193.42.0/23 | Valid | ARIN | 2026-10-13 |
| 166.193.44.0/22 | Valid | ARIN | 2026-10-13 |
| 166.193.48.0/21 | Valid | ARIN | 2026-10-13 |
| 166.193.56.0/21 | Valid | ARIN | 2026-10-13 |
| 166.193.64.0/19 | Valid | ARIN | 2026-10-13 |
| 166.193.96.0/21 | Valid | ARIN | 2026-10-13 |
| 166.193.104.0/22 | Valid | ARIN | 2026-10-13 |
| 166.193.108.0/24 | Valid | ARIN | 2026-10-13 |
| 166.193.112.0/23 | Valid | ARIN | 2026-10-13 |
| 166.193.114.0/24 | Valid | ARIN | 2026-10-13 |
| 166.193.118.0/24 | Valid | - | 2026-10-13 |
| 166.193.119.0/24 | Valid | - | 2026-10-13 |
| 166.193.120.0/24 | Valid | ARIN | 2026-10-13 |
| 166.193.122.0/23 | Valid | ARIN | 2026-10-13 |
| 166.193.127.0/24 | Valid | ARIN | 2026-10-13 |
| 166.195.0.0/16 | Valid | ARIN | 2026-10-13 |
| 166.195.0.0/21 | Valid | ARIN | 2026-10-13 |
| 166.195.8.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.12.0/23 | Valid | ARIN | 2026-10-13 |
| 166.195.14.0/23 | Valid | ARIN | 2026-10-13 |
| 166.195.16.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.20.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.24.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.28.0/23 | Valid | ARIN | 2026-10-13 |
| 166.195.30.0/23 | Valid | ARIN | 2026-10-13 |
| 166.195.32.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.36.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.40.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.44.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.48.0/20 | Valid | ARIN | 2026-10-13 |
| 166.195.64.0/21 | Valid | ARIN | 2026-10-13 |
| 166.195.72.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.76.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.80.0/21 | Valid | ARIN | 2026-10-13 |
| 166.195.88.0/21 | Valid | ARIN | 2026-10-13 |
| 166.195.112.0/21 | Valid | ARIN | 2026-10-13 |
| 166.195.120.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.124.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.128.0/22 | Valid | ARIN | 2026-10-13 |
| 166.195.132.0/23 | Valid | ARIN | 2026-10-13 |
| 166.195.134.0/23 | Valid | ARIN | 2026-10-13 |
| 166.195.136.0/21 | Valid | ARIN | 2026-10-13 |
| 166.195.144.0/21 | Valid | ARIN | 2026-10-13 |
| 166.195.152.0/21 | Valid | ARIN | 2026-10-13 |
| 166.195.160.0/19 | Valid | ARIN | 2026-10-13 |
| 166.195.192.0/18 | Valid | ARIN | 2026-10-13 |
| 166.200.0.0/14 | Invalid | - | 2026-10-13 |
| 166.200.0.0/16 | Valid | ARIN | 2026-10-13 |
| 166.200.1.0/24 | Valid | ARIN | 2026-10-13 |
| 166.200.4.0/24 | Valid | ARIN | 2026-10-13 |
| 166.200.36.0/23 | Valid | ARIN | 2026-10-13 |
| 166.200.40.0/23 | Valid | ARIN | 2026-10-13 |
| 166.200.42.0/23 | Valid | ARIN | 2026-10-13 |
| 166.200.112.0/24 | Valid | ARIN | 2026-10-13 |
| 166.200.117.0/24 | Valid | ARIN | 2026-10-13 |
| 166.200.118.0/24 | Valid | ARIN | 2026-10-13 |
| 166.200.119.0/24 | Valid | ARIN | 2026-10-13 |
| 166.200.161.0/24 | Valid | ARIN | 2026-10-13 |
| 166.200.186.0/23 | Valid | ARIN | 2026-10-13 |
| 166.200.212.0/22 | Valid | ARIN | 2026-10-13 |
| 166.200.218.0/23 | Valid | ARIN | 2026-10-13 |
| 166.200.220.0/24 | Valid | ARIN | 2026-10-13 |
| 166.200.232.0/22 | Valid | ARIN | 2026-10-13 |
| 166.201.0.0/16 | Valid | ARIN | 2026-10-13 |
| 166.201.23.0/24 | Valid | ARIN | 2026-10-13 |
| 166.201.32.0/20 | Valid | ARIN | 2026-10-13 |
| 166.201.176.0/21 | Valid | ARIN | 2026-10-13 |