https://github.com/zunda/whois-ip-country にLogwatchのSSHDのRefused incoming connections:を流しこむとどこの国のお客様か教えてくるようになったよー
GitHubGitHub - zunda/whois-ip-country: Looks up whois to determine the country an IPv4 address is assigned to.Looks up whois to determine the country an IPv4 address is assigned to. - zunda/whois-ip-country