AS4808 211.145.72.0/21 CIDR and IP Range Summary.ASN: 4808 - China169-BJ China Unicom Beijing Province NetworkHost Count: 2046Addressable IPs: 2048211.145.72.0/24211.145.73.0/24211.145.74.0/24211.145.75.0/24211.145.76.0/24211.145.77.0/24211.145.78.0/24211.145.79.0/24