AS3257 66.253.108.80/28 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 14Addressable IPs: 16 66.253.108.8166.253.108.8266.253.108.8366.253.108.8466.253.108.8566.253.108.8666.253.108.8766.253.108.8866.253.108.8966.253.108.9066.253.108.9166.253.108.9266.253.108.9366.253.108.9466.253.108.9566.253.108.96