AS3257 66.54.166.0/28 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 14Addressable IPs: 16 66.54.166.166.54.166.266.54.166.366.54.166.466.54.166.566.54.166.666.54.166.766.54.166.866.54.166.966.54.166.1066.54.166.1166.54.166.1266.54.166.1366.54.166.1466.54.166.1566.54.166.16