AS4766 121.163.176.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 4096121.163.176.0/24121.163.177.0/24121.163.178.0/24121.163.179.0/24121.163.180.0/24121.163.181.0/24121.163.182.0/24121.163.183.0/24121.163.184.0/24121.163.185.0/24121.163.186.0/24121.163.187.0/24121.163.188.0/24121.163.189.0/24121.163.190.0/24121.163.191.0/24