Summary
| Country |
 United States
|
| Domain | att.com |
| Size | 512 |
| Registry | ARIN |
| Network Name | ATS-9 |
Whois
Various Registries (Maintained by ARIN) NET198 (NET-198-0-0-0-0) 198.0.0.0 - 198.255.255.255
AT&T Technical Services Company, Inc. ATS-9 (NET-198-137-234-0-1) 198.137.234.0 - 198.137.235.255
CIDR IP address subranges within 198.137.234.0/23 subnet
- 198.137.234.0/24
- 198.137.235.0/24