AS4538 202.121.160.0/21 CIDR and IP Range Summary.ASN: 4538 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048202.121.160.0/24202.121.161.0/24202.121.162.0/24202.121.163.0/24202.121.164.0/24202.121.165.0/24202.121.166.0/24202.121.167.0/24