AS4134 121.224.16.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048121.224.16.0/24121.224.17.0/24121.224.18.0/24121.224.19.0/24121.224.20.0/24121.224.21.0/24121.224.22.0/24121.224.23.0/24