AS3257 216.175.208.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 4096216.175.208.0/24216.175.209.0/24216.175.210.0/24216.175.211.0/24216.175.212.0/24216.175.213.0/24216.175.214.0/24216.175.215.0/24216.175.216.0/24216.175.217.0/24216.175.218.0/24216.175.219.0/24216.175.220.0/24216.175.221.0/24216.175.222.0/24216.175.223.0/24