AS4134 121.228.48.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048121.228.48.0/24121.228.49.0/24121.228.50.0/24121.228.51.0/24121.228.52.0/24121.228.53.0/24121.228.54.0/24121.228.55.0/24