AS4766 220.77.32.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048220.77.32.0/24220.77.33.0/24220.77.34.0/24220.77.35.0/24220.77.36.0/24220.77.37.0/24220.77.38.0/24220.77.39.0/24