AS174 38.100.64.0/21 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 2046Addressable IPs: 204838.100.64.0/2438.100.65.0/2438.100.66.0/2438.100.67.0/2438.100.68.0/2438.100.69.0/2438.100.70.0/2438.100.71.0/24