AS4766 61.78.128.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 409661.78.128.0/2461.78.129.0/2461.78.130.0/2461.78.131.0/2461.78.132.0/2461.78.133.0/2461.78.134.0/2461.78.135.0/2461.78.136.0/2461.78.137.0/2461.78.138.0/2461.78.139.0/2461.78.140.0/2461.78.141.0/2461.78.142.0/2461.78.143.0/24