AS4766 211.219.144.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048211.219.144.0/24211.219.145.0/24211.219.146.0/24211.219.147.0/24211.219.148.0/24211.219.149.0/24211.219.150.0/24211.219.151.0/24