AS4766 121.141.240.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 4096121.141.240.0/24121.141.241.0/24121.141.242.0/24121.141.243.0/24121.141.244.0/24121.141.245.0/24121.141.246.0/24121.141.247.0/24121.141.248.0/24121.141.249.0/24121.141.250.0/24121.141.251.0/24121.141.252.0/24121.141.253.0/24121.141.254.0/24121.141.255.0/24