AS4134 121.228.144.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048121.228.144.0/24121.228.145.0/24121.228.146.0/24121.228.147.0/24121.228.148.0/24121.228.149.0/24121.228.150.0/24121.228.151.0/24