AS21508

Autonomous System Number (ASN): AS21508

Organisation: Comcast Cable Communications, LLC

Name: COMCAST-21508

Registered in: United States of America

Registry: ARIN

Total IPv4 Addresses: 675,072

Total IPv4 Prefixes: 147

Total IPv6 Prefixes: 76

Last updated: 2025-4-4 11:14:59