AS4766 220.74.40.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048220.74.40.0/24220.74.41.0/24220.74.42.0/24220.74.43.0/24220.74.44.0/24220.74.45.0/24220.74.46.0/24220.74.47.0/24