AS4766 223.255.192.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048223.255.192.0/24223.255.193.0/24223.255.194.0/24223.255.195.0/24223.255.196.0/24223.255.197.0/24223.255.198.0/24223.255.199.0/24