AS4538 222.203.48.0/21 CIDR and IP Range Summary.ASN: 4538 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048222.203.48.0/24222.203.49.0/24222.203.50.0/24222.203.51.0/24222.203.52.0/24222.203.53.0/24222.203.54.0/24222.203.55.0/24