AS3257 66.17.224.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 409666.17.224.0/2466.17.225.0/2466.17.226.0/2466.17.227.0/2466.17.228.0/2466.17.229.0/2466.17.230.0/2466.17.231.0/2466.17.232.0/2466.17.233.0/2466.17.234.0/2466.17.235.0/2466.17.236.0/2466.17.237.0/2466.17.238.0/2466.17.239.0/24