AS174 38.133.72.0/21 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 2046Addressable IPs: 204838.133.72.0/2438.133.73.0/2438.133.74.0/2438.133.75.0/2438.133.76.0/2438.133.77.0/2438.133.78.0/2438.133.79.0/24