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-OREGON-21 (NET-50-198-160-0-1) 50.198.160.0 - 50.198.175.255 Comcast Cable Communications, LLC BEAVERTON-CCCS-6 (NET-50-198-160-0-2) 50.198.160.0 - 50.198.175.255