AS4808 219.238.240.0/20 CIDR and IP Range Summary.ASN: 4808 - China169-BJ China Unicom Beijing Province NetworkHost Count: 4094Addressable IPs: 4096219.238.240.0/24219.238.241.0/24219.238.242.0/24219.238.243.0/24219.238.244.0/24219.238.245.0/24219.238.246.0/24219.238.247.0/24219.238.248.0/24219.238.249.0/24219.238.250.0/24219.238.251.0/24219.238.252.0/24219.238.253.0/24219.238.254.0/24219.238.255.0/24