{"author_name":"rubytips86","version":"1.0","type":"rich","categories":[],"author_url":"https://blog.hatena.ne.jp/rubytips86/","title":"\u30db\u30b9\u30c8\u540d\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u3092\u5f97\u308b / IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30db\u30b9\u30c8\u540d\u3092\u5f97\u308b","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","width":"100%","image_url":null,"blog_title":"Ruby Tips!","url":"https://rubytips86.hatenablog.com/entry/2014/03/24/194800","blog_url":"https://rubytips86.hatenablog.com/","published":"2014-03-24 19:48:00","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frubytips86.hatenablog.com%2Fentry%2F2014%2F03%2F24%2F194800\" title=\"\u30db\u30b9\u30c8\u540d\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u3092\u5f97\u308b / IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30db\u30b9\u30c8\u540d\u3092\u5f97\u308b - Ruby Tips!\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u30db\u30b9\u30c8\u540d\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u3092\u5f97\u308b\u306b\u306f\u3001Socket.getaddrinfo\u3092\u4f7f\u3046\u3002 \u7b2c1\u5f15\u6570\u306b\u306f\u30db\u30b9\u30c8\u540d\u3001\u7b2c2\u5f15\u6570\u306b\u306f\u30b5\u30fc\u30d3\u30b9\u540d\u3092\u4e0e\u3048\u308b\u3002 \u8fd4\u5374\u5024\u306f\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u306e\u914d\u5217\u3067\u3042\u308a\u30013\u756a\u76ee\u306e\u8981\u7d20\u306bIP\u30a2\u30c9\u30ec\u30b9\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u3002\u9006\u306b\u3001IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30db\u30b9\u30c8\u540d\u3092\u5f97\u308b\u306b\u306f\u3001Socket.getnameinfo\u3092\u4f7f\u3046\u3002 \u5f15\u6570\u306b\u306f\u30a2\u30c9\u30ec\u30b9\u30d5\u30a1\u30df\u30ea\u30fc\u3001\u30b5\u30fc\u30d3\u30b9\u3001\u30db\u30b9\u30c8\u540d\u306e\u914d\u5217\u3092\u4e0e\u3048\u308b\u3002 \u8fd4\u5374\u5024\u306f\u914d\u5217\u3067\u3001IP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u3002 require 'socket' p Socket.getaddrinfo(\"rubytips86.hatenablog.com\", nil)[0][3] #=> \"54.24\u2026"}