AS4134 121.228.0.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048121.228.0.0/24121.228.1.0/24121.228.2.0/24121.228.3.0/24121.228.4.0/24121.228.5.0/24121.228.6.0/24121.228.7.0/24