AT&T Corp. SIS-80-7-23-2013 (NET-23-112-0-0-1) 23.112.0.0 - 23.127.255.255 Private Customer - AT&T Internet Services SBC-23-115-95-192-26-2006261838 (NET-23-115-95-192-1) 23.115.95.192 - 23.115.95.255