AS4134 121.224.72.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048121.224.72.0/24121.224.73.0/24121.224.74.0/24121.224.75.0/24121.224.76.0/24121.224.77.0/24121.224.78.0/24121.224.79.0/24