AS4134 121.229.72.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048121.229.72.0/24121.229.73.0/24121.229.74.0/24121.229.75.0/24121.229.76.0/24121.229.77.0/24121.229.78.0/24121.229.79.0/24