AS3257 216.27.176.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 4096216.27.176.0/24216.27.177.0/24216.27.178.0/24216.27.179.0/24216.27.180.0/24216.27.181.0/24216.27.182.0/24216.27.183.0/24216.27.184.0/24216.27.185.0/24216.27.186.0/24216.27.187.0/24216.27.188.0/24216.27.189.0/24216.27.190.0/24216.27.191.0/24