Comcast Cable Communications, LLC CCCH3-4 (NET-50-128-0-0-1) 50.128.0.0 - 50.255.255.255 Comcast Cable Communications, LLC CBC-CENTRAL-CA-18 (NET-50-250-160-0-1) 50.250.160.0 - 50.250.191.255 Comcast Cable Communications, LLC CENTRAL-CAL-CCCS-8 (NET-50-250-160-0-2) 50.250.160.0 - 50.250.191.255