Cox Communications Inc. NETBLK-COX-ATLANTA-11 (NET-72-192-0-0-1) 72.192.0.0 - 72.223.255.255 Cox Communications NETBLK-SD-CBS-72-215-160-0 (NET-72-215-160-0-1) 72.215.160.0 - 72.215.191.255