AS174 74.221.216.0/21 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 2046Addressable IPs: 204874.221.216.0/2474.221.217.0/2474.221.218.0/2474.221.219.0/2474.221.220.0/2474.221.221.0/2474.221.222.0/2474.221.223.0/24