AS3257 195.172.64.0/19 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 8190Addressable IPs: 8192195.172.64.0/24195.172.65.0/24195.172.66.0/24195.172.67.0/24195.172.68.0/24195.172.69.0/24195.172.70.0/24195.172.71.0/24195.172.72.0/24195.172.73.0/24195.172.74.0/24195.172.75.0/24195.172.76.0/24195.172.77.0/24195.172.78.0/24195.172.79.0/24195.172.80.0/24195.172.81.0/24195.172.82.0/24195.172.83.0/24195.172.84.0/24195.172.85.0/24195.172.86.0/24195.172.87.0/24195.172.88.0/24195.172.89.0/24195.172.90.0/24195.172.91.0/24195.172.92.0/24195.172.93.0/24195.172.94.0/24195.172.95.0/24