AS3257 66.54.171.240/28 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 14Addressable IPs: 16 66.54.171.24166.54.171.24266.54.171.24366.54.171.24466.54.171.24566.54.171.24666.54.171.24766.54.171.24866.54.171.24966.54.171.25066.54.171.25166.54.171.25266.54.171.25366.54.171.25466.54.171.25566.54.171.256