AS4766 121.128.224.0/19 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 8190Addressable IPs: 8192121.128.224.0/24121.128.225.0/24121.128.226.0/24121.128.227.0/24121.128.228.0/24121.128.229.0/24121.128.230.0/24121.128.231.0/24121.128.232.0/24121.128.233.0/24121.128.234.0/24121.128.235.0/24121.128.236.0/24121.128.237.0/24121.128.238.0/24121.128.239.0/24121.128.240.0/24121.128.241.0/24121.128.242.0/24121.128.243.0/24121.128.244.0/24121.128.245.0/24121.128.246.0/24121.128.247.0/24121.128.248.0/24121.128.249.0/24121.128.250.0/24121.128.251.0/24121.128.252.0/24121.128.253.0/24121.128.254.0/24121.128.255.0/24