AS3257 66.54.165.48/28 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 14Addressable IPs: 16 66.54.165.4966.54.165.5066.54.165.5166.54.165.5266.54.165.5366.54.165.5466.54.165.5566.54.165.5666.54.165.5766.54.165.5866.54.165.5966.54.165.6066.54.165.6166.54.165.6266.54.165.6366.54.165.64