AS4808 111.203.16.0/21 CIDR and IP Range Summary.ASN: 4808 - China169-BJ China Unicom Beijing Province NetworkHost Count: 2046Addressable IPs: 2048111.203.16.0/24111.203.17.0/24111.203.18.0/24111.203.19.0/24111.203.20.0/24111.203.21.0/24111.203.22.0/24111.203.23.0/24