Data as of Nov 10, 2026
Autonomous system
AS4185
AT&T Enterprises, LLC
Announces 133,376 addresses in 12 prefixes. None of it is anonymizer space.
Type
Internet provider
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 12.14.12.0/24 since Feb 2011 | Internet provider | ||
| 12.14.14.0/24 since Feb 2011 | Internet provider | ||
| 12.150.176.0/24 since Aug 2011 | Internet provider | ||
| 12.150.186.0/24 since May 2020 | Internet provider | ||
| 12.183.71.0/24 since Oct 2009 | Internet provider | ||
| 12.185.4.0/24 since Feb 2011 | Internet provider | ||
| 12.185.7.0/24 since Feb 2011 | Internet provider | ||
| 152.75.0.0/16 since Aug 2016 | Unknown | USAGM | |
| 152.75.221.0/24 since Aug 2016 | Unknown | USAGM | |
| 165.110.0.0/16 since Feb 2012 | Business | U.S. Small Business Administration | |
| 192.104.54.0/24 since Nov 2015 | Business | Federal Communications Commission | |
| 192.133.125.0/24 since Nov 2015 | Business | Federal Communications Commission |
Network & history
Profile
- Registered
- Dec 16, 1994
- Domain
- att.com
- Industry
- Internet Service Provider (ISP)
The space it routes itself
Address share by type
Routing patterns
How its announcements have moved
Arrivals