AS3257 66.227.48.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204866.227.48.0/2466.227.49.0/2466.227.50.0/2466.227.51.0/2466.227.52.0/2466.227.53.0/2466.227.54.0/2466.227.55.0/24