AS4766 203.237.192.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048203.237.192.0/24203.237.193.0/24203.237.194.0/24203.237.195.0/24203.237.196.0/24203.237.197.0/24203.237.198.0/24203.237.199.0/24