AS3257 69.31.64.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204869.31.64.0/2469.31.65.0/2469.31.66.0/2469.31.67.0/2469.31.68.0/2469.31.69.0/2469.31.70.0/2469.31.71.0/24