AS174 154.21.240.0/21 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 2046Addressable IPs: 2048154.21.240.0/24154.21.241.0/24154.21.242.0/24154.21.243.0/24154.21.244.0/24154.21.245.0/24154.21.246.0/24154.21.247.0/24