AS3257 66.54.158.128/27 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 30Addressable IPs: 32 66.54.158.12966.54.158.13066.54.158.13166.54.158.13266.54.158.13366.54.158.13466.54.158.13566.54.158.13666.54.158.13766.54.158.13866.54.158.13966.54.158.14066.54.158.14166.54.158.14266.54.158.14366.54.158.14466.54.158.14566.54.158.14666.54.158.14766.54.158.14866.54.158.14966.54.158.15066.54.158.15166.54.158.15266.54.158.15366.54.158.15466.54.158.15566.54.158.15666.54.158.15766.54.158.15866.54.158.15966.54.158.160