AS3257 66.227.80.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204866.227.80.0/2466.227.81.0/2466.227.82.0/2466.227.83.0/2466.227.84.0/2466.227.85.0/2466.227.86.0/2466.227.87.0/24