AS4766 221.145.128.0/19 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 8190Addressable IPs: 8192221.145.128.0/24221.145.129.0/24221.145.130.0/24221.145.131.0/24221.145.132.0/24221.145.133.0/24221.145.134.0/24221.145.135.0/24221.145.136.0/24221.145.137.0/24221.145.138.0/24221.145.139.0/24221.145.140.0/24221.145.141.0/24221.145.142.0/24221.145.143.0/24221.145.144.0/24221.145.145.0/24221.145.146.0/24221.145.147.0/24221.145.148.0/24221.145.149.0/24221.145.150.0/24221.145.151.0/24221.145.152.0/24221.145.153.0/24221.145.154.0/24221.145.155.0/24221.145.156.0/24221.145.157.0/24221.145.158.0/24221.145.159.0/24