AS4134 221.229.72.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048221.229.72.0/24221.229.73.0/24221.229.74.0/24221.229.75.0/24221.229.76.0/24221.229.77.0/24221.229.78.0/24221.229.79.0/24