AS4134 121.228.40.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048121.228.40.0/24121.228.41.0/24121.228.42.0/24121.228.43.0/24121.228.44.0/24121.228.45.0/24121.228.46.0/24121.228.47.0/24