AS3257 72.13.225.16/29 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 6Addressable IPs: 8 72.13.225.1772.13.225.1872.13.225.1972.13.225.2072.13.225.2172.13.225.2272.13.225.2372.13.225.24