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-72-151-0-0-1) 72.151.0.0 - 72.151.255.255
CIDR IP address subranges within 72.151.0.0/21 subnet
- 72.151.0.0/24
- 72.151.1.0/24
- 72.151.2.0/24
- 72.151.3.0/24
- 72.151.4.0/24
- 72.151.5.0/24
- 72.151.6.0/24
- 72.151.7.0/24