HomeASN LookupAS20057Prefixes

AS20057 Announced Prefixes - page 15

1,640 prefixes originated in BGP by AS20057 AT&T Enterprises.

Prefixes 1,401-1,500

PrefixRPKIIRRLast Seen
166.216.156.0/24 Valid-2026-10-13
166.216.157.0/24 Valid-2026-10-13
166.216.158.0/24 Valid-2026-10-13
166.216.159.0/24 Valid-2026-10-13
166.216.160.0/23 ValidARIN2026-10-13
166.216.163.0/24 ValidARIN2026-10-13
166.216.165.0/24 ValidARIN2026-10-13
166.216.166.0/23 ValidARIN2026-10-13
166.216.192.0/23 ValidARIN2026-10-13
166.216.196.0/24 Valid-2026-10-13
166.216.197.0/24 Valid-2026-10-13
166.216.198.0/23 Valid-2026-10-13
166.216.200.0/24 ValidARIN2026-10-13
166.216.224.0/23 ValidARIN2026-10-13
166.216.227.0/24 ValidARIN2026-10-13
166.216.230.0/23 ValidARIN2026-10-13
166.217.0.0/16 ValidARIN2026-10-13
166.218.0.0/15 ValidARIN2026-10-13
166.218.0.0/16 Valid-2026-10-13
166.218.0.0/17 Valid-2026-10-13
166.218.24.0/23 Valid-2026-10-13
166.218.48.0/21 Valid-2026-10-13
166.218.128.0/17 Valid-2026-10-13
166.218.236.0/24 Valid-2026-10-13
166.218.237.0/24 Valid-2026-10-13
166.218.238.0/24 Valid-2026-10-13
166.218.239.0/24 Valid-2026-10-13
166.218.240.0/24 Valid-2026-10-13
166.218.241.0/24 Valid-2026-10-13
166.218.242.0/24 Valid-2026-10-13
166.218.243.0/24 Valid-2026-10-13
166.218.246.0/23 Valid-2026-10-13
166.218.248.0/23 Valid-2026-10-13
166.218.250.0/23 Valid-2026-10-13
166.218.252.0/24 Valid-2026-10-13
166.218.253.0/24 Valid-2026-10-13
166.219.0.0/16 Valid-2026-10-13
166.219.8.0/23 Valid-2026-10-13
166.219.18.0/23 Valid-2026-10-13
166.219.42.0/24 Valid-2026-10-13
166.219.47.0/24 Valid-2026-10-13
166.219.48.0/22 Valid-2026-10-13
166.219.56.0/23 Valid-2026-10-13
166.219.59.0/24 Valid-2026-10-13
166.219.128.0/20 Valid-2026-10-13
166.219.168.0/21 Valid-2026-10-13
166.219.184.0/22 Valid-2026-10-13
166.220.0.0/16 Invalid-2026-10-13
166.220.128.0/17 ValidARIN2026-10-13
198.228.0.0/19No ROA-2026-10-13
198.228.192.0/20 ValidARIN2026-10-13
198.228.194.0/24 ValidARIN2026-10-13
198.228.195.0/24 ValidARIN2026-10-13
198.228.200.0/24 ValidARIN2026-10-13
198.228.201.0/24 ValidARIN2026-10-13
198.228.203.0/24 ValidARIN2026-10-13
198.228.204.0/24 ValidARIN2026-10-13
198.228.205.0/24 ValidARIN2026-10-13
198.228.206.0/24 ValidARIN2026-10-13
198.228.207.0/24 ValidARIN2026-10-13
198.228.208.0/20 ValidARIN2026-10-13
198.228.217.0/24 ValidARIN2026-10-13
198.228.224.0/20 ValidARIN2026-10-13
198.228.230.0/24 ValidARIN2026-10-13
198.228.237.0/24 ValidARIN2026-10-13
199.176.64.0/18No ROA-2026-10-13
209.183.32.0/23 ValidARIN2026-10-13
209.183.34.0/23 ValidARIN2026-10-13
209.183.36.0/23 ValidARIN2026-10-13
209.183.37.0/24 ValidARIN2026-10-13
209.183.38.0/23 ValidARIN2026-10-13
209.183.40.0/23 ValidARIN2026-10-13
209.183.44.0/23 ValidARIN2026-10-13
209.183.48.0/21 ValidARIN2026-10-13
209.183.48.0/22 ValidARIN2026-10-13
209.183.48.0/23 ValidARIN2026-10-13
209.183.52.0/22 ValidARIN2026-10-13
209.183.56.0/23 ValidARIN2026-10-13
209.183.59.0/24 ValidARIN2026-10-13
2600:380::/37No ROA-2026-10-13
2600:380:180::/41No ROA-2026-10-13
2600:380:800::/37No ROA-2026-10-13
2600:380:800::/38No ROA-2026-10-13
2600:380:980::/41No ROA-2026-10-13
2600:380:c00::/38No ROA-2026-10-13
2600:380:1000::/37No ROA-2026-10-13
2600:380:1180::/41No ROA-2026-10-13
2600:380:1800::/38No ROA-2026-10-13
2600:380:1800::/41No ROA-2026-10-13
2600:380:1880::/41No ROA-2026-10-13
2600:380:2000::/37No ROA-2026-10-13
2600:380:2580::/41No ROA-2026-10-13
2600:380:2800::/37No ROA-2026-10-13
2600:380:3000::/37No ROA-2026-10-13
2600:380:3180::/41No ROA-2026-10-13
2600:380:3800::/37No ROA-2026-10-13
2600:380:4000::/38No ROA-2026-10-13
2600:380:4400::/38No ROA-2026-10-13
2600:380:4500::/40No ROA-2026-10-13
2600:380:4700::/41No ROA-2026-10-13
AS20057 Announced Prefixes - Page 15 | ipctl.io