AS20057

Autonomous System Number (ASN): AS20057

Organisation: AT&T Enterprises, LLC

Name: ATT-MOBILITY-LLC-AS20057

Registered in: United States of America

Registry: ARIN

Total IPv4 Addresses: 3,993,856

Total IPv4 Prefixes: 2,114

Total IPv6 Prefixes: 196

Last updated: 2025-9-4 23:1:43