AS3257 83.245.8.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204883.245.8.0/2483.245.9.0/2483.245.10.0/2483.245.11.0/2483.245.12.0/2483.245.13.0/2483.245.14.0/2483.245.15.0/24