Data as of Nov 4, 2026
Autonomous system
AS11712
AT&T Services, Inc.
Announces 30,976 addresses in 6 prefixes. None of it is anonymizer space.
Type
Internet provider
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 72.157.240.0/21 since Jan 2026 | Residential | AT&T Enterprises, LLC | |
| 72.157.248.0/21 since Feb 2006 | Residential | AT&T Enterprises, LLC | |
| 139.76.8.0/21 since Jan 2006 | Residential | ||
| 139.76.53.0/24 since Mar 2008 | Residential | ||
| 139.76.64.0/18 since May 2005 | Residential | ||
| 139.76.224.0/19 since Jan 2006 | Residential |
Network & history
Profile
- Registered
- Nov 23, 1998
- Domain
- att.com
- Industry
- Internet Service Provider (ISP)
Routing patterns
How its announcements have moved
Arrivals