AS174 154.17.56.0/21 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 2046Addressable IPs: 2048154.17.56.0/24154.17.57.0/24154.17.58.0/24154.17.59.0/24154.17.60.0/24154.17.61.0/24154.17.62.0/24154.17.63.0/24