AS3257 207.97.128.0/19 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 8190Addressable IPs: 8192207.97.128.0/24207.97.129.0/24207.97.130.0/24207.97.131.0/24207.97.132.0/24207.97.133.0/24207.97.134.0/24207.97.135.0/24207.97.136.0/24207.97.137.0/24207.97.138.0/24207.97.139.0/24207.97.140.0/24207.97.141.0/24207.97.142.0/24207.97.143.0/24207.97.144.0/24207.97.145.0/24207.97.146.0/24207.97.147.0/24207.97.148.0/24207.97.149.0/24207.97.150.0/24207.97.151.0/24207.97.152.0/24207.97.153.0/24207.97.154.0/24207.97.155.0/24207.97.156.0/24207.97.157.0/24207.97.158.0/24207.97.159.0/24