AS4766 210.121.192.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048210.121.192.0/24210.121.193.0/24210.121.194.0/24210.121.195.0/24210.121.196.0/24210.121.197.0/24210.121.198.0/24210.121.199.0/24