AS12519 81.31.64.0/20 CIDR and IP Range Summary.ASN: 12519 - FastNet International LtdHost Count: 4094Addressable IPs: 409681.31.64.0/2481.31.65.0/2481.31.66.0/2481.31.67.0/2481.31.68.0/2481.31.69.0/2481.31.70.0/2481.31.71.0/2481.31.72.0/2481.31.73.0/2481.31.74.0/2481.31.75.0/2481.31.76.0/2481.31.77.0/2481.31.78.0/2481.31.79.0/24