AS174 38.21.0.0/20 CIDR and IP Range Summary.ASN: 174 - Cogent CommunicationsHost Count: 4094Addressable IPs: 409638.21.0.0/2438.21.1.0/2438.21.2.0/2438.21.3.0/2438.21.4.0/2438.21.5.0/2438.21.6.0/2438.21.7.0/2438.21.8.0/2438.21.9.0/2438.21.10.0/2438.21.11.0/2438.21.12.0/2438.21.13.0/2438.21.14.0/2438.21.15.0/24