AS4766 221.149.176.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 4096221.149.176.0/24221.149.177.0/24221.149.178.0/24221.149.179.0/24221.149.180.0/24221.149.181.0/24221.149.182.0/24221.149.183.0/24221.149.184.0/24221.149.185.0/24221.149.186.0/24221.149.187.0/24221.149.188.0/24221.149.189.0/24221.149.190.0/24221.149.191.0/24