AS174 154.21.168.0/21 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 2046Addressable IPs: 2048154.21.168.0/24154.21.169.0/24154.21.170.0/24154.21.171.0/24154.21.172.0/24154.21.173.0/24154.21.174.0/24154.21.175.0/24