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// ASN

AS20057

ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC, US

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS20057
Organization
AT&T Enterprises, LLC
Description
ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC, US
Country
US
State / Region
TX
City
Dallas
Address
208 S. Akard St.
Registry (RIR)
ARIN
Created
2026-03-11
Updated
2025-10-29
IPv4 Prefixes
1462
IPv6 Prefixes
161

IPv4 Prefixes

1462 total · showing first 10
107.106.0.0/18
107.106.128.0/18
107.106.192.0/18
107.106.64.0/18
107.107.0.0/18
107.107.128.0/18
107.107.184.0/22
107.107.188.0/22
107.107.192.0/18
107.107.56.0/22

IPv6 Prefixes

161 total · showing first 10
2600:380:1000::/37
2600:380:1180::/41
2600:380:1800::/38
2600:380:1800::/41
2600:380:180::/41
2600:380:1880::/41
2600:380:2000::/37
2600:380:2580::/41
2600:380:2800::/37
2600:380:3000::/37

What is AS20057?

AS20057 is an Autonomous System Number (ASN) assigned to AT&T Enterprises, LLC. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

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