AS3257 66.166.213.208/28 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 14Addressable IPs: 16 66.166.213.20966.166.213.21066.166.213.21166.166.213.21266.166.213.21366.166.213.21466.166.213.21566.166.213.21666.166.213.21766.166.213.21866.166.213.21966.166.213.22066.166.213.22166.166.213.22266.166.213.22366.166.213.224