AS4766 221.150.200.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048221.150.200.0/24221.150.201.0/24221.150.202.0/24221.150.203.0/24221.150.204.0/24221.150.205.0/24221.150.206.0/24221.150.207.0/24