AS3257 207.97.168.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048207.97.168.0/24207.97.169.0/24207.97.170.0/24207.97.171.0/24207.97.172.0/24207.97.173.0/24207.97.174.0/24207.97.175.0/24