AS4134 121.229.136.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048121.229.136.0/24121.229.137.0/24121.229.138.0/24121.229.139.0/24121.229.140.0/24121.229.141.0/24121.229.142.0/24121.229.143.0/24