AS174 38.121.64.0/21 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 2046Addressable IPs: 204838.121.64.0/2438.121.65.0/2438.121.66.0/2438.121.67.0/2438.121.68.0/2438.121.69.0/2438.121.70.0/2438.121.71.0/24