Summary
| Country |
 United States
|
| Domain | att.net |
| Size | 2,048 |
| Registry | ARIN |
| Network Name | ATT-129-37-0-0-B |
Whois
Various Registries (Maintained by ARIN) NET129 (NET-129-0-0-0-0) 129.0.0.0 - 129.255.255.255
AT&T Enterprises, LLC ATT-129-37-0-0-B (NET-129-37-0-0-1) 129.37.0.0 - 129.37.255.255CIDR IP address subranges within 129.37.136.0/21 subnet
- 129.37.136.0/24
- 129.37.137.0/24
- 129.37.138.0/24
- 129.37.139.0/24
- 129.37.140.0/24
- 129.37.141.0/24
- 129.37.142.0/24
- 129.37.143.0/24