AS4766 211.51.128.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 4096211.51.128.0/24211.51.129.0/24211.51.130.0/24211.51.131.0/24211.51.132.0/24211.51.133.0/24211.51.134.0/24211.51.135.0/24211.51.136.0/24211.51.137.0/24211.51.138.0/24211.51.139.0/24211.51.140.0/24211.51.141.0/24211.51.142.0/24211.51.143.0/24