AS9848 210.121.24.0/21 CIDR and IP Range Summary.ASN: 9848 - Sejong TelecomHost Count: 2046Addressable IPs: 2048210.121.24.0/24210.121.25.0/24210.121.26.0/24210.121.27.0/24210.121.28.0/24210.121.29.0/24210.121.30.0/24210.121.31.0/24