AS3257 216.133.160.0/19 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 8190Addressable IPs: 8192216.133.160.0/24216.133.161.0/24216.133.162.0/24216.133.163.0/24216.133.164.0/24216.133.165.0/24216.133.166.0/24216.133.167.0/24216.133.168.0/24216.133.169.0/24216.133.170.0/24216.133.171.0/24216.133.172.0/24216.133.173.0/24216.133.174.0/24216.133.175.0/24216.133.176.0/24216.133.177.0/24216.133.178.0/24216.133.179.0/24216.133.180.0/24216.133.181.0/24216.133.182.0/24216.133.183.0/24216.133.184.0/24216.133.185.0/24216.133.186.0/24216.133.187.0/24216.133.188.0/24216.133.189.0/24216.133.190.0/24216.133.191.0/24