AS174 38.129.168.0/21 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 2046Addressable IPs: 204838.129.168.0/2438.129.169.0/2438.129.170.0/2438.129.171.0/2438.129.172.0/2438.129.173.0/2438.129.174.0/2438.129.175.0/24