AS4766 211.223.152.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048211.223.152.0/24211.223.153.0/24211.223.154.0/24211.223.155.0/24211.223.156.0/24211.223.157.0/24211.223.158.0/24211.223.159.0/24