AS4766 211.217.248.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048211.217.248.0/24211.217.249.0/24211.217.250.0/24211.217.251.0/24211.217.252.0/24211.217.253.0/24211.217.254.0/24211.217.255.0/24