AS9848 211.239.152.0/21 CIDR and IP Range Summary.ASN: 9848 - Sejong TelecomHost Count: 2046Addressable IPs: 2048211.239.152.0/24211.239.153.0/24211.239.154.0/24211.239.155.0/24211.239.156.0/24211.239.157.0/24211.239.158.0/24211.239.159.0/24