AS4808 121.52.208.0/21 CIDR and IP Range Summary.ASN: 4808 - China169-BJ China Unicom Beijing Province NetworkHost Count: 2046Addressable IPs: 2048121.52.208.0/24121.52.209.0/24121.52.210.0/24121.52.211.0/24121.52.212.0/24121.52.213.0/24121.52.214.0/24121.52.215.0/24