Dakota Carrier Network DCN-NET-2 (NET-216-147-160-0-1) 216.147.160.0 - 216.147.191.255 C-RAM Inc. DCN-CRAM (NET-216-147-177-0-1) 216.147.177.0 - 216.147.177.255 Dakota Carrier Network DCN-NET-2 (NET-216-147-177-1-1) 216.147.177.1 - 216.147.177.255