AS4766 210.178.40.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048210.178.40.0/24210.178.41.0/24210.178.42.0/24210.178.43.0/24210.178.44.0/24210.178.45.0/24210.178.46.0/24210.178.47.0/24