AS4766 221.160.184.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048221.160.184.0/24221.160.185.0/24221.160.186.0/24221.160.187.0/24221.160.188.0/24221.160.189.0/24221.160.190.0/24221.160.191.0/24