AS4766 210.178.16.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048210.178.16.0/24210.178.17.0/24210.178.18.0/24210.178.19.0/24210.178.20.0/24210.178.21.0/24210.178.22.0/24210.178.23.0/24