AS4808 218.249.144.0/21 CIDR and IP Range Summary.ASN: 4808 - China169-BJ China Unicom Beijing Province NetworkHost Count: 2046Addressable IPs: 2048218.249.144.0/24218.249.145.0/24218.249.146.0/24218.249.147.0/24218.249.148.0/24218.249.149.0/24218.249.150.0/24218.249.151.0/24