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Summary
| Country |
 United States
|
| Domain | att.net |
| Size | 2,048 |
| Registry | ARIN |
| Network Name | ATTSVC-12-72-0-0 |
Whois
American Registry for Internet Numbers NET12 (NET-12-0-0-0-0) 12.0.0.0 - 12.255.255.255
AT&T Enterprises, LLC ATT (NET-12-0-0-0-1) 12.0.0.0 - 12.255.255.255
AT&T Worldnet Services ATTSVC-12-72-0-0 (NET-12-72-0-0-1) 12.72.0.0 - 12.73.255.255CIDR IP address subranges within 12.72.136.0/21 subnet
- 12.72.136.0/24
- 12.72.137.0/24
- 12.72.138.0/24
- 12.72.139.0/24
- 12.72.140.0/24
- 12.72.141.0/24
- 12.72.142.0/24
- 12.72.143.0/24