AS3257 87.119.72.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204887.119.72.0/2487.119.73.0/2487.119.74.0/2487.119.75.0/2487.119.76.0/2487.119.77.0/2487.119.78.0/2487.119.79.0/24