AS3257 69.17.64.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204869.17.64.0/2469.17.65.0/2469.17.66.0/2469.17.67.0/2469.17.68.0/2469.17.69.0/2469.17.70.0/2469.17.71.0/24