AS4134 221.231.0.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048221.231.0.0/24221.231.1.0/24221.231.2.0/24221.231.3.0/24221.231.4.0/24221.231.5.0/24221.231.6.0/24221.231.7.0/24