AS4766 220.90.128.0/19 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 8190Addressable IPs: 8192220.90.128.0/24220.90.129.0/24220.90.130.0/24220.90.131.0/24220.90.132.0/24220.90.133.0/24220.90.134.0/24220.90.135.0/24220.90.136.0/24220.90.137.0/24220.90.138.0/24220.90.139.0/24220.90.140.0/24220.90.141.0/24220.90.142.0/24220.90.143.0/24220.90.144.0/24220.90.145.0/24220.90.146.0/24220.90.147.0/24220.90.148.0/24220.90.149.0/24220.90.150.0/24220.90.151.0/24220.90.152.0/24220.90.153.0/24220.90.154.0/24220.90.155.0/24220.90.156.0/24220.90.157.0/24220.90.158.0/24220.90.159.0/24