AS3257 66.92.72.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204866.92.72.0/2466.92.73.0/2466.92.74.0/2466.92.75.0/2466.92.76.0/2466.92.77.0/2466.92.78.0/2466.92.79.0/24