AS1221 139.163.64.0/20 CIDR and IP Range Summary.ASN: 1221 - Asia Pacific Network Information CentreHost Count: 4094Addressable IPs: 4096139.163.64.0/24139.163.65.0/24139.163.66.0/24139.163.67.0/24139.163.68.0/24139.163.69.0/24139.163.70.0/24139.163.71.0/24139.163.72.0/24139.163.73.0/24139.163.74.0/24139.163.75.0/24139.163.76.0/24139.163.77.0/24139.163.78.0/24139.163.79.0/24