Summary
| Country |
 United States
|
| Domain | att.net |
| Size | 2,048 |
| Registry | ARIN |
| Network Name | ATT-MD-NET2 |
Whois
Various Registries (Maintained by ARIN) NET192 (NET-192-0-0-0-0) 192.0.0.0 - 192.255.255.255
AT&T Services, Inc. ATT-MD-NET2 (NET-192-20-0-0-1) 192.20.0.0 - 192.20.224.255CIDR IP address subranges within 192.20.128.0/21 subnet
- 192.20.128.0/24
- 192.20.129.0/24
- 192.20.130.0/24
- 192.20.131.0/24
- 192.20.132.0/24
- 192.20.133.0/24
- 192.20.134.0/24
- 192.20.135.0/24