AS3257 66.167.176.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 409666.167.176.0/2466.167.177.0/2466.167.178.0/2466.167.179.0/2466.167.180.0/2466.167.181.0/2466.167.182.0/2466.167.183.0/2466.167.184.0/2466.167.185.0/2466.167.186.0/2466.167.187.0/2466.167.188.0/2466.167.189.0/2466.167.190.0/2466.167.191.0/24