AS174 216.28.248.0/21 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 2046Addressable IPs: 2048216.28.248.0/24216.28.249.0/24216.28.250.0/24216.28.251.0/24216.28.252.0/24216.28.253.0/24216.28.254.0/24216.28.255.0/24