AS3257 84.37.72.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204884.37.72.0/2484.37.73.0/2484.37.74.0/2484.37.75.0/2484.37.76.0/2484.37.77.0/2484.37.78.0/2484.37.79.0/24