Summary
| Country |
 United States
|
| Domain | att.net |
| Size | 512 |
| Registry | ARIN |
| Network Name | ATTWORLD25 |
Whois
American Registry for Internet Numbers NET12 (NET-12-0-0-0-0) 12.0.0.0 - 12.255.255.255
AT&T Services, Inc. ATT (NET-12-0-0-0-1) 12.0.0.0 - 12.255.255.255
AT&T Services, Inc. ATTWORLD25 (NET-12-203-0-0-1) 12.203.0.0 - 12.203.255.255
CIDR IP address subranges within 12.203.114.0/23 subnet
- 12.203.114.0/24
- 12.203.115.0/24