AS4766 211.250.136.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048211.250.136.0/24211.250.137.0/24211.250.138.0/24211.250.139.0/24211.250.140.0/24211.250.141.0/24211.250.142.0/24211.250.143.0/24