AS3257 72.245.160.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 409672.245.160.0/2472.245.161.0/2472.245.162.0/2472.245.163.0/2472.245.164.0/2472.245.165.0/2472.245.166.0/2472.245.167.0/2472.245.168.0/2472.245.169.0/2472.245.170.0/2472.245.171.0/2472.245.172.0/2472.245.173.0/2472.245.174.0/2472.245.175.0/24