AS4538 219.228.64.0/20 CIDR and IP Range Summary.ASN: 4538 - Asia Pacific Network Information CentreHost Count: 4094Addressable IPs: 4096219.228.64.0/24219.228.65.0/24219.228.66.0/24219.228.67.0/24219.228.68.0/24219.228.69.0/24219.228.70.0/24219.228.71.0/24219.228.72.0/24219.228.73.0/24219.228.74.0/24219.228.75.0/24219.228.76.0/24219.228.77.0/24219.228.78.0/24219.228.79.0/24