AS4808 218.249.48.0/21 CIDR and IP Range Summary.ASN: 4808 - China169-BJ China Unicom Beijing Province NetworkHost Count: 2046Addressable IPs: 2048218.249.48.0/24218.249.49.0/24218.249.50.0/24218.249.51.0/24218.249.52.0/24218.249.53.0/24218.249.54.0/24218.249.55.0/24