AS3257 195.172.112.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048195.172.112.0/24195.172.113.0/24195.172.114.0/24195.172.115.0/24195.172.116.0/24195.172.117.0/24195.172.118.0/24195.172.119.0/24