AS4766 121.190.128.0/19 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 8190Addressable IPs: 8192121.190.128.0/24121.190.129.0/24121.190.130.0/24121.190.131.0/24121.190.132.0/24121.190.133.0/24121.190.134.0/24121.190.135.0/24121.190.136.0/24121.190.137.0/24121.190.138.0/24121.190.139.0/24121.190.140.0/24121.190.141.0/24121.190.142.0/24121.190.143.0/24121.190.144.0/24121.190.145.0/24121.190.146.0/24121.190.147.0/24121.190.148.0/24121.190.149.0/24121.190.150.0/24121.190.151.0/24121.190.152.0/24121.190.153.0/24121.190.154.0/24121.190.155.0/24121.190.156.0/24121.190.157.0/24121.190.158.0/24121.190.159.0/24