AS3257 66.227.120.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204866.227.120.0/2466.227.121.0/2466.227.122.0/2466.227.123.0/2466.227.124.0/2466.227.125.0/2466.227.126.0/2466.227.127.0/24