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 CBC-ILLINOIS-41 (NET-75-149-192-0-1) 75.149.192.0 - 75.149.223.255 RARCOA CO RARCOACO (NET-75-149-203-104-1) 75.149.203.104 - 75.149.203.111