Summary
| Country |
 United States
|
| Domain | att.com |
| Size | 2,048 |
| Registry | ARIN |
| Network Name | BELLSNET-BLK16 |
Whois
American Registry for Internet Numbers NET72 (NET-72-0-0-0-0) 72.0.0.0 - 72.255.255.255
AT&T Corp. BELLSNET-BLK16 (NET-72-148-0-0-1) 72.148.0.0 - 72.149.255.255
CIDR IP address subranges within 72.148.40.0/21 subnet
- 72.148.40.0/24
- 72.148.41.0/24
- 72.148.42.0/24
- 72.148.43.0/24
- 72.148.44.0/24
- 72.148.45.0/24
- 72.148.46.0/24
- 72.148.47.0/24