AS4766 211.221.128.0/18 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 16382Addressable IPs: 16384211.221.128.0/24211.221.129.0/24211.221.130.0/24211.221.131.0/24211.221.132.0/24211.221.133.0/24211.221.134.0/24211.221.135.0/24211.221.136.0/24211.221.137.0/24211.221.138.0/24211.221.139.0/24211.221.140.0/24211.221.141.0/24211.221.142.0/24211.221.143.0/24211.221.144.0/24211.221.145.0/24211.221.146.0/24211.221.147.0/24211.221.148.0/24211.221.149.0/24211.221.150.0/24211.221.151.0/24211.221.152.0/24211.221.153.0/24211.221.154.0/24211.221.155.0/24211.221.156.0/24211.221.157.0/24211.221.158.0/24211.221.159.0/24211.221.160.0/24211.221.161.0/24211.221.162.0/24211.221.163.0/24211.221.164.0/24211.221.165.0/24211.221.166.0/24211.221.167.0/24211.221.168.0/24211.221.169.0/24211.221.170.0/24211.221.171.0/24211.221.172.0/24211.221.173.0/24211.221.174.0/24211.221.175.0/24211.221.176.0/24211.221.177.0/24211.221.178.0/24211.221.179.0/24211.221.180.0/24211.221.181.0/24211.221.182.0/24211.221.183.0/24211.221.184.0/24211.221.185.0/24211.221.186.0/24211.221.187.0/24211.221.188.0/24211.221.189.0/24211.221.190.0/24211.221.191.0/24