AS3257 64.204.224.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 409664.204.224.0/2464.204.225.0/2464.204.226.0/2464.204.227.0/2464.204.228.0/2464.204.229.0/2464.204.230.0/2464.204.231.0/2464.204.232.0/2464.204.233.0/2464.204.234.0/2464.204.235.0/2464.204.236.0/2464.204.237.0/2464.204.238.0/2464.204.239.0/24