Comcast Cable Communications, LLC CBC-CM-5 (NET-75-144-0-0-1) 75.144.0.0 - 75.151.255.255 Comcast Cable Communications, LLC HOUSTON-CBC-4 (NET-75-148-128-0-1) 75.148.128.0 - 75.148.255.255 DI CENTRAL DICENTRAL (NET-75-148-212-208-1) 75.148.212.208 - 75.148.212.223