Summary
| Country |
 United States
|
| Domain | att.net |
| Size | 1,024 |
| Registry | ARIN |
| Network Name | ATTSVC-12-72-0-0 |
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 Worldnet Services ATTSVC-12-72-0-0 (NET-12-72-0-0-1) 12.72.0.0 - 12.73.255.255
CIDR IP address subranges within 12.72.64.0/22 subnet
- 12.72.64.0/24
- 12.72.65.0/24
- 12.72.66.0/24
- 12.72.67.0/24