Comcast Cable Communications, LLC CBC-ALLOC-4 (NET-50-76-0-0-1) 50.76.0.0 - 50.79.255.255 Comcast Cable Communications, LLC CBC-ILLINOIS-49 (NET-50-76-64-0-1) 50.76.64.0 - 50.76.95.255 ASPA INC ASPAINC (NET-50-76-71-0-1) 50.76.71.0 - 50.76.71.15