AS3257 66.7.173.8/29 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 6Addressable IPs: 8 66.7.173.966.7.173.1066.7.173.1166.7.173.1266.7.173.1366.7.173.1466.7.173.1566.7.173.16