AS4808 203.212.0.0/21 CIDR and IP Range Summary.ASN: 4808 - China169-BJ China Unicom Beijing Province NetworkHost Count: 2046Addressable IPs: 2048203.212.0.0/24203.212.1.0/24203.212.2.0/24203.212.3.0/24203.212.4.0/24203.212.5.0/24203.212.6.0/24203.212.7.0/24