AS20057

Name: AS20057 — AT&T Enterprises, LLC
Creator: ipdex

AT&T Enterprises, LLC Unknown registered in United States

1,463IPv4 prefixes

161IPv6 prefixes

5%RPKI-valid

#8,375AS Rank

#21Rank in United States

2001-03-20Allocated

AT&T Enterprises, LLC (AS20057) — Unknown, registered in United States. announces 1,463 IPv4 prefixes + 161 IPv6 prefixes. Rank in United States: #21. Allocated: 2001-03-20.

IPv4 1,463IPv6 161

Announced prefixes · 1,624

v4 107.126.240.0/21 unknown
v4 107.126.250.0/24 unknown
v4 107.126.252.0/23 unknown
v4 107.126.254.0/24 unknown
v4 107.127.128.0/17 unknown
v4 107.127.128.0/22 unknown
v4 107.127.132.0/23 unknown
v4 107.127.136.0/23 unknown
v4 107.127.141.0/24 unknown
v4 107.127.142.0/24 unknown
v4 107.127.145.0/24 unknown
v4 107.127.147.0/24 unknown
v4 107.127.148.0/22 unknown
v4 107.127.152.0/22 unknown
v4 107.127.156.0/22 unknown
v4 107.127.160.0/21 unknown
v4 107.127.168.0/22 unknown
v4 107.127.172.0/23 unknown
v4 107.127.176.0/24 unknown
v4 107.127.178.0/24 unknown
v4 107.127.180.0/22 unknown
v4 107.127.188.0/23 unknown
v4 107.127.190.0/24 unknown
v4 107.127.192.0/24 unknown
v4 107.127.193.0/24 unknown
v4 107.127.194.0/24 unknown
v4 107.127.195.0/24 unknown
v4 107.127.198.0/24 unknown
v4 107.127.200.0/23 unknown
v4 107.127.202.0/23 unknown
v4 107.127.206.0/24 unknown
v4 107.127.207.0/24 unknown
v4 107.127.208.0/24 unknown
v4 107.127.209.0/24 unknown
v4 107.127.211.0/24 unknown
v4 107.127.212.0/23 unknown
v4 107.127.214.0/23 unknown
v4 107.127.216.0/22 unknown
v4 107.127.220.0/22 unknown
v4 107.127.225.0/24 unknown
v4 107.127.227.0/24 unknown
v4 107.127.228.0/23 unknown
v4 107.127.230.0/24 unknown
v4 107.127.232.0/21 unknown
v4 107.127.240.0/22 unknown
v4 107.127.244.0/24 unknown
v4 107.127.245.0/24 unknown
v4 107.127.248.0/22 unknown
v4 107.127.252.0/23 unknown
v4 107.233.0.0/16 unknown

RPKI: rpki.cloudflare.com · 2026-06-21

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	1624
2026-06-13	1624

AS topology · Customer cone 2

Providers · 1

AS7018 AT&T Enterprises, LLC

Customers · 1

AS64011 Asia Pacific Network Information Centre

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