{"id":531,"date":"2006-01-14T01:00:00","date_gmt":"2006-01-13T16:00:00","guid":{"rendered":"https:\/\/ecoop.net\/memo\/2006-01-14-1.html"},"modified":"2006-01-14T01:00:00","modified_gmt":"2006-01-13T16:00:00","slug":"2006-01-14-1","status":"publish","type":"post","link":"https:\/\/www.ecoop.net\/memo\/archives\/2006-01-14-1.html","title":{"rendered":"IP \u30a2\u30c9\u30ec\u30b9\u3092\u683c\u7d0d\u3059\u308b\u306e\u306b\u6700\u9069\u306a\u30ab\u30e9\u30e0\u578b"},"content":{"rendered":"

\nMySQL4.x \u3067 IP \u30a2\u30c9\u30ec\u30b9\u3092\u4fdd\u5b58\u3059\u308b\u306b\u306f\u3001int \u306b\u3057\u3066\u3001\u95a2\u6570\u3067\u5909\u63db\u3057\u3066\u5229\u7528\u3057\u3066\u3084\u308b\u3068\u6587\u5b57\u5217\u3088\u308a\u3082\u52a0\u5de5\u304c\u3057\u3084\u3059\u3044\u3002\n<\/p>\n

mysql> SELECT INET_ATON(“209.207.224.40”);
\n       -> 3520061480<\/p>\n

mysql> SELECT INET_NTOA(3520061480);
\n       -> “209.207.224.40”\n<\/p><\/blockquote>\n

\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306f\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306b\u30c1\u30a7\u30c3\u30af\u3067\u304d\u308b\u3002\n<\/p>\n

mysql> select INET_ATON(“192.168.0.255”) & INET_ATON(“192.168.0.0”) = INET_ATON(“192.168.0.0”);
\n       -> 1
\n 
\nmysql> select INET_ATON(“192.167.255.1”) & INET_ATON(“192.168.0.0”) = INET_ATON(“192.168.0.0”);
\n       -> 0\n<\/p><\/blockquote>\n

\n","protected":false},"excerpt":{"rendered":"

MySQL4.x \u3067 IP \u30a2\u30c9\u30ec\u30b9\u3092\u4fdd\u5b58\u3059\u308b\u306b\u306f\u3001int \u306b\u3057\u3066\u3001\u95a2\u6570\u3067\u5909\u63db\u3057\u3066\u5229\u7528\u3057\u3066\u3084\u308b\u3068\u6587\u5b57\u5217\u3088\u308a\u3082\u52a0\u5de5\u304c\u3057\u3084\u3059\u3044\u3002 mysql> SELECT INET_ATON(“209.207.224.40&# … \u7d9a\u304d\u3092\u8aad\u3080 IP \u30a2\u30c9\u30ec\u30b9\u3092\u683c\u7d0d\u3059\u308b\u306e\u306b\u6700\u9069\u306a\u30ab\u30e9\u30e0\u578b<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[26],"class_list":["post-531","post","type-post","status-publish","format-standard","hentry","tag-mysql"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts\/531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/comments?post=531"}],"version-history":[{"count":0,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts\/531\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/media?parent=531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/categories?post=531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/tags?post=531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}