Summary
| Country |
 United States
|
| Domain | att.com |
| Size | 512 |
| Registry | ARIN |
| Network Name | SBCIS-SIS80 |
Whois
American Registry for Internet Numbers NET63 (NET-63-0-0-0-0) 63.0.0.0 - 63.255.255.255
AT&T Corp. SBCIS-SIS80 (NET-63-192-0-0-1) 63.192.0.0 - 63.207.255.255
CIDR IP address subranges within 63.199.68.0/23 subnet
- 63.199.68.0/24
- 63.199.69.0/24