AS174 38.143.72.0/21 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 2046Addressable IPs: 204838.143.72.0/2438.143.73.0/2438.143.74.0/2438.143.75.0/2438.143.76.0/2438.143.77.0/2438.143.78.0/2438.143.79.0/24