Dakota Carrier Network DCN-NET-2 (NET-216-147-160-0-1) 216.147.160.0 - 216.147.191.255 Dakota Carrier Network DCN-NET-1 (NET-216-147-160-0-2) 216.147.160.0 - 216.147.160.255 Dakota Carrier Network DCN-INTERNAL (NET-216-147-160-0-3) 216.147.160.0 - 216.147.160.255