AS12757 89.221.72.0/21 CIDR and IP Range Summary.ASN: 12757 - Iptron.net OuHost Count: 2046Addressable IPs: 204889.221.72.0/2489.221.73.0/2489.221.74.0/2489.221.75.0/2489.221.76.0/2489.221.77.0/2489.221.78.0/2489.221.79.0/24