AS4766 220.75.216.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048220.75.216.0/24220.75.217.0/24220.75.218.0/24220.75.219.0/24220.75.220.0/24220.75.221.0/24220.75.222.0/24220.75.223.0/24