AS9848 203.239.120.0/21 CIDR and IP Range Summary.ASN: 9848 - Sejong TelecomHost Count: 2046Addressable IPs: 2048203.239.120.0/24203.239.121.0/24203.239.122.0/24203.239.123.0/24203.239.124.0/24203.239.125.0/24203.239.126.0/24203.239.127.0/24