AS3257 66.7.173.16/29 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 6Addressable IPs: 8 66.7.173.1766.7.173.1866.7.173.1966.7.173.2066.7.173.2166.7.173.2266.7.173.2366.7.173.24