AS4766 128.134.192.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048128.134.192.0/24128.134.193.0/24128.134.194.0/24128.134.195.0/24128.134.196.0/24128.134.197.0/24128.134.198.0/24128.134.199.0/24