AS3257 87.82.48.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204887.82.48.0/2487.82.49.0/2487.82.50.0/2487.82.51.0/2487.82.52.0/2487.82.53.0/2487.82.54.0/2487.82.55.0/24