AS3257 216.254.80.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048216.254.80.0/24216.254.81.0/24216.254.82.0/24216.254.83.0/24216.254.84.0/24216.254.85.0/24216.254.86.0/24216.254.87.0/24