AS174 66.28.168.0/21 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 2046Addressable IPs: 204866.28.168.0/2466.28.169.0/2466.28.170.0/2466.28.171.0/2466.28.172.0/2466.28.173.0/2466.28.174.0/2466.28.175.0/24