AS4766 221.164.128.0/17 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 32766Addressable IPs: 32768221.164.128.0/24221.164.129.0/24221.164.130.0/24221.164.131.0/24221.164.132.0/24221.164.133.0/24221.164.134.0/24221.164.135.0/24221.164.136.0/24221.164.137.0/24221.164.138.0/24221.164.139.0/24221.164.140.0/24221.164.141.0/24221.164.142.0/24221.164.143.0/24221.164.144.0/24221.164.145.0/24221.164.146.0/24221.164.147.0/24221.164.148.0/24221.164.149.0/24221.164.150.0/24221.164.151.0/24221.164.152.0/24221.164.153.0/24221.164.154.0/24221.164.155.0/24221.164.156.0/24221.164.157.0/24221.164.158.0/24221.164.159.0/24221.164.160.0/24221.164.161.0/24221.164.162.0/24221.164.163.0/24221.164.164.0/24221.164.165.0/24221.164.166.0/24221.164.167.0/24221.164.168.0/24221.164.169.0/24221.164.170.0/24221.164.171.0/24221.164.172.0/24221.164.173.0/24221.164.174.0/24221.164.175.0/24221.164.176.0/24221.164.177.0/24221.164.178.0/24221.164.179.0/24221.164.180.0/24221.164.181.0/24221.164.182.0/24221.164.183.0/24221.164.184.0/24221.164.185.0/24221.164.186.0/24221.164.187.0/24221.164.188.0/24221.164.189.0/24221.164.190.0/24221.164.191.0/24221.164.192.0/24221.164.193.0/24221.164.194.0/24221.164.195.0/24221.164.196.0/24221.164.197.0/24221.164.198.0/24221.164.199.0/24221.164.200.0/24221.164.201.0/24221.164.202.0/24221.164.203.0/24221.164.204.0/24221.164.205.0/24221.164.206.0/24221.164.207.0/24221.164.208.0/24221.164.209.0/24221.164.210.0/24221.164.211.0/24221.164.212.0/24221.164.213.0/24221.164.214.0/24221.164.215.0/24221.164.216.0/24221.164.217.0/24221.164.218.0/24221.164.219.0/24221.164.220.0/24221.164.221.0/24221.164.222.0/24221.164.223.0/24221.164.224.0/24221.164.225.0/24221.164.226.0/24221.164.227.0/24221.164.228.0/24221.164.229.0/24221.164.230.0/24221.164.231.0/24221.164.232.0/24221.164.233.0/24221.164.234.0/24221.164.235.0/24221.164.236.0/24221.164.237.0/24221.164.238.0/24221.164.239.0/24221.164.240.0/24221.164.241.0/24221.164.242.0/24221.164.243.0/24221.164.244.0/24221.164.245.0/24221.164.246.0/24221.164.247.0/24221.164.248.0/24221.164.249.0/24221.164.250.0/24221.164.251.0/24221.164.252.0/24221.164.253.0/24221.164.254.0/24221.164.255.0/24