AS9848 64.23.72.0/21 CIDR and IP Range Summary.ASN: 9848 - Sejong TelecomHost Count: 2046Addressable IPs: 204864.23.72.0/2464.23.73.0/2464.23.74.0/2464.23.75.0/2464.23.76.0/2464.23.77.0/2464.23.78.0/2464.23.79.0/24