AT&T Corp. SIS-80-11-25-2014 (NET-45-16-0-0-1) 45.16.0.0 - 45.31.255.255 Private Customer - AT&T Internet Services SBC-45-22-51-32-27-2312144726 (NET-45-22-51-32-1) 45.22.51.32 - 45.22.51.63