Comcast Cable Communications, LLC CBC-CM-4 (NET-173-160-0-0-1) 173.160.0.0 - 173.167.255.255 Comcast Cable Communications, LLC CBC-SFBA-15 (NET-173-164-128-0-1) 173.164.128.0 - 173.164.255.255 SAPPHYRE SOFTWARE INC SAPPHYRESOFTWAREINC (NET-173-164-135-144-1) 173.164.135.144 - 173.164.135.151