Summary
| Country |
 United States
|
| Domain | att.net |
| Size | 512 |
| Registry | ARIN |
| Network Name | SBC-SUBS-NET |
Whois
Various Registries (Maintained by ARIN) NET144 (NET-144-0-0-0-0) 144.0.0.0 - 144.255.255.255
AT&T Services, Inc. SBC-SUBS-NET (NET-144-60-0-0-1) 144.60.0.0 - 144.60.255.255
CIDR IP address subranges within 144.60.10.0/23 subnet
- 144.60.10.0/24
- 144.60.11.0/24