AS4766 211.63.224.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048211.63.224.0/24211.63.225.0/24211.63.226.0/24211.63.227.0/24211.63.228.0/24211.63.229.0/24211.63.230.0/24211.63.231.0/24