AS3257 64.6.160.0/19 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 8190Addressable IPs: 819264.6.160.0/2464.6.161.0/2464.6.162.0/2464.6.163.0/2464.6.164.0/2464.6.165.0/2464.6.166.0/2464.6.167.0/2464.6.168.0/2464.6.169.0/2464.6.170.0/2464.6.171.0/2464.6.172.0/2464.6.173.0/2464.6.174.0/2464.6.175.0/2464.6.176.0/2464.6.177.0/2464.6.178.0/2464.6.179.0/2464.6.180.0/2464.6.181.0/2464.6.182.0/2464.6.183.0/2464.6.184.0/2464.6.185.0/2464.6.186.0/2464.6.187.0/2464.6.188.0/2464.6.189.0/2464.6.190.0/2464.6.191.0/24