AS4808 219.238.152.0/21 CIDR and IP Range Summary.ASN: 4808 - China169-BJ China Unicom Beijing Province NetworkHost Count: 2046Addressable IPs: 2048219.238.152.0/24219.238.153.0/24219.238.154.0/24219.238.155.0/24219.238.156.0/24219.238.157.0/24219.238.158.0/24219.238.159.0/24