AS4766 121.126.232.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048121.126.232.0/24121.126.233.0/24121.126.234.0/24121.126.235.0/24121.126.236.0/24121.126.237.0/24121.126.238.0/24121.126.239.0/24