AS9848 203.231.40.0/21 CIDR and IP Range Summary.ASN: 9848 - Sejong TelecomHost Count: 2046Addressable IPs: 2048203.231.40.0/24203.231.41.0/24203.231.42.0/24203.231.43.0/24203.231.44.0/24203.231.45.0/24203.231.46.0/24203.231.47.0/24