AS3257 216.175.192.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048216.175.192.0/24216.175.193.0/24216.175.194.0/24216.175.195.0/24216.175.196.0/24216.175.197.0/24216.175.198.0/24216.175.199.0/24