Summary
| Country
|
 United States
|
| Domain
|
att.net |
| Size
|
4,096 |
| 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 - 129.37.255.255
CIDR IP address subranges within 129.37.144.0/20 subnet
- 129.37.144.0/24
- 129.37.145.0/24
- 129.37.146.0/24
- 129.37.147.0/24
- 129.37.148.0/24
- 129.37.149.0/24
- 129.37.150.0/24
- 129.37.151.0/24
- 129.37.152.0/24
- 129.37.153.0/24
- 129.37.154.0/24
- 129.37.155.0/24
- 129.37.156.0/24
- 129.37.157.0/24
- 129.37.158.0/24
- 129.37.159.0/24