// 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 10107.106.0.0/18 107.106.128.0/18 107.106.192.0/18 107.106.64.0/18 107.107.0.0/18 107.107.128.0/18 107.107.184.0/22 107.107.188.0/22 107.107.192.0/18 107.107.56.0/22
IPv6 Prefixes
161 total · showing first 102600:380:1000::/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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