AS4766 211.253.128.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 4096211.253.128.0/24211.253.129.0/24211.253.130.0/24211.253.131.0/24211.253.132.0/24211.253.133.0/24211.253.134.0/24211.253.135.0/24211.253.136.0/24211.253.137.0/24211.253.138.0/24211.253.139.0/24211.253.140.0/24211.253.141.0/24211.253.142.0/24211.253.143.0/24