{"id":10606,"date":"2025-11-03T12:36:00","date_gmt":"2025-11-03T12:36:00","guid":{"rendered":"https:\/\/howtogeek.blog\/ja\/?p=10606"},"modified":"2025-11-03T12:36:00","modified_gmt":"2025-11-03T12:36:00","slug":"mac%e3%82%a2%e3%83%89%e3%83%ac%e3%82%b9%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%83%87%e3%83%90%e3%82%a4%e3%82%b9%e3%82%92%e3%82%aa%e3%83%b3%e3%83%a9%e3%82%a4%e3%83%b3%e3%81%a7%e8%aa%8d%e8%ad%98","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/ja\/mac%e3%82%a2%e3%83%89%e3%83%ac%e3%82%b9%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%83%87%e3%83%90%e3%82%a4%e3%82%b9%e3%82%92%e3%82%aa%e3%83%b3%e3%83%a9%e3%82%a4%e3%83%b3%e3%81%a7%e8%aa%8d%e8%ad%98\/","title":{"rendered":"MAC\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3063\u3066\u30c7\u30d0\u30a4\u30b9\u3092\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u8a8d\u8b58\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p data-slot-rendered-content=\"true\">\u643a\u5e2f\u96fb\u8a71\u3001\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7\u3001\u30b9\u30de\u30fc\u30c8\u30c6\u30ec\u30d3\u3001\u53e4\u3044\u30d7\u30ea\u30f3\u30bf\u30fc\u306a\u3069\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3059\u308b\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u306f<strong>MAC \u30a2\u30c9\u30ec\u30b9<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u57fa\u672c\u7684\u306b 12 \u6587\u5b57\u306e\u6570\u5b57\u3068\u6587\u5b57\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3001\u30c7\u30b8\u30bf\u30eb\u6307\u7d0b\u306e\u3088\u3046\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002Wi-Fi \u30c7\u30d0\u30a4\u30b9\u306e\u4e00\u89a7\u3092\u8997\u3044\u3066\u300c\u4e00\u4f53\u8ab0\u304c\u79c1\u306e\u5e2f\u57df\u5e45\u3092\u5168\u90e8\u4f7f\u3063\u3066\u3044\u308b\u306e\u3060\u308d\u3046\uff1f\u300d\u3068\u601d\u3063\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b\u3002MAC \u3067\u30c7\u30d0\u30a4\u30b9\u3092\u8b58\u5225\u3059\u308b\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u304a\u304f\u3068\u5f79\u306b\u7acb\u3061\u307e\u3059\u3002\u3055\u3089\u306b\u7d20\u6674\u3089\u3057\u3044\u306e\u306f\u3001MAC \u30a2\u30c9\u30ec\u30b9\u3060\u3051\u3067\u30c7\u30d0\u30a4\u30b9\u3092\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u7c21\u5358\u306b\u691c\u7d22\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002\u4fbf\u5229\u3067\u3057\u3087\u3046? \u305f\u3060\u3057\u3001\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u660e\u78ba\u306b\u8868\u793a\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001MAC \u3092\u96a0\u3057\u305f\u308a\u507d\u88c5\u3057\u305f\u308a\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u3082\u3042\u308b\u305f\u3081\u3001\u6642\u3005\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u304c\u3001\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u4f55\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u3046\u307e\u304f\u628a\u63e1\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u96d1\u7136\u3068\u3057\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u308b\u5834\u5408\u3084\u3001\u8ab0\u304c Wi-Fi \u306b\u3053\u3063\u305d\u308a\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u308b\u304b\u3092\u628a\u63e1\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u5834\u5408\u3001MAC \u3067\u30c7\u30d0\u30a4\u30b9\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u3042\u308b\u610f\u5473\u6551\u308f\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6240\u6709\u8005\u306e\u500b\u4eba\u540d\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u304c\u3001\u30e1\u30fc\u30ab\u30fc\u540d\u3084\u30c7\u30d0\u30a4\u30b9\u306e\u7a2e\u985e\u306f\u308f\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3060\u3051\u3067\u3001\u898b\u899a\u3048\u306e\u306a\u3044\u30c7\u30d0\u30a4\u30b9\u3084\u3001\u5fd8\u308c\u3066\u3044\u305f\u53e4\u3044\u6a5f\u5668\u3092\u898b\u3064\u3051\u308b\u306e\u306b\u5341\u5206\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u901a\u5e38\u306eMAC\u30a2\u30c9\u30ec\u30b9\u691c\u7d22\u3067\u306f\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u306f\u8868\u793a\u3055\u308c\u306a\u3044\u306e\u3067\u3001\u3042\u304f\u307e\u3067\u300c\u3053\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u8ab0\u306e\u3082\u306e\u304b\uff1f\u300d\u3068\u3044\u3046\u60c5\u5831\u3067\u3042\u308a\u3001\u300c\u8ab0\u304c\u6240\u6709\u3057\u3066\u3044\u308b\u304b\uff1f\u300d\u3068\u3044\u3046\u60c5\u5831\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2 id=\"h-what-a-mac-address-actually-tells-you\">MAC\u30a2\u30c9\u30ec\u30b9\u304c\u5b9f\u969b\u306b\u4f55\u3092\u4f1d\u3048\u3066\u3044\u308b\u306e\u304b<\/h2>\n<p>MAC\u30a2\u30c9\u30ec\u30b9\u306e\u524d\u534a\u90e8\u5206\uff08OUI\u3001Organizationally Unique Identifier\u3068\u547c\u3070\u308c\u307e\u3059\uff09\u306f\u88fd\u9020\u5143\u3092\u793a\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001<strong>00:1A:79<\/strong>\u3067\u59cb\u307e\u308b\u3082\u306e\u304c\u3042\u308c\u3070\u3001\u305d\u308c\u306f\u304a\u305d\u3089\u304fApple\u88fd\u3067\u3059\u3002\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u3001Samsung\u3001Intel\u3001Cisco\u306a\u3069\u3067\u3059\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u88fd\u9020\u5143\u304b\u3089\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3001\u30ce\u30fc\u30c8\u30d1\u30bd\u30b3\u30f3\u3001\u3042\u308b\u3044\u306f\u30eb\u30fc\u30bf\u30fc\u306a\u3069\u3001\u304a\u304a\u3088\u305d\u306e\u898b\u5f53\u3092\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5c11\u3057\u5947\u5999\u3067\u3059\u304c\u3001\u5c11\u306a\u304f\u3068\u3082\u51fa\u767a\u70b9\u3068\u3057\u3066\u306f\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<h2 id=\"h-how-to-identify-the-device-online\">\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u30c7\u30d0\u30a4\u30b9\u3092\u8b58\u5225\u3059\u308b\u65b9\u6cd5<\/h2>\n<p data-slot-rendered-content=\"true\">\u307e\u305a\u306fMAC\u30a2\u30c9\u30ec\u30b9\u306e\u691c\u7d22\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002macvendors.com\u3001DNSChecker\u306eMAC Lookup\u3001Wireshark\u306eOUI\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3044\u3063\u305f\u30b5\u30a4\u30c8\u3092\u4f7f\u3048\u3070<strong><a href=\"https:\/\/macvendors.com\/\" rel=\"noreferrer noopener\" target=\"_blank\">\u3001<\/a><\/strong> MAC<strong><a href=\"https:\/\/dnschecker.org\/mac-lookup.php\" rel=\"noreferrer noopener\" target=\"_blank\">\u30a2\u30c9\u30ec\u30b9<\/a><\/strong>\u3092<strong><a href=\"https:\/\/www.wireshark.org\/tools\/oui-lookup.html\" rel=\"noreferrer noopener\" target=\"_blank\">\u30b3\u30d4\u30fc<\/a><\/strong>\uff06\u30da\u30fc\u30b9\u30c8\u3059\u308b\u3060\u3051\u3067\u7c21\u5358\u306b\u691c\u7d22\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u3001\u5404OUI\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u30e1\u30fc\u30ab\u30fc\u306b\u7d10\u4ed8\u3051\u308b\u30d1\u30d6\u30ea\u30c3\u30af\u30ec\u30b8\u30b9\u30c8\u30ea\u3068\u9023\u643a\u3057\u307e\u3059\u3002\u8a2d\u5b9a\u306b\u3088\u3063\u3066\u306f\u9a5a\u304f\u307b\u3069\u65e9\u304f\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u30c7\u30d0\u30a4\u30b9\u306b\u30de\u30a6\u30b9\u30aa\u30fc\u30d0\u30fc\u3059\u308b\u3060\u3051\u3067\u3001\u305d\u308c\u304cApple TV\u3001\u30d7\u30ea\u30f3\u30bf\u30fc\u3001\u3042\u308b\u3044\u306fIoT\u30ac\u30b8\u30a7\u30c3\u30c8\u306a\u306e\u304b\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30ab\u30fc\u304c\u5206\u304b\u308c\u3070\u3001\u3069\u3093\u306a\u7a2e\u985e\u306e\u30c7\u30d0\u30a4\u30b9\u306a\u306e\u304b\u63a8\u6e2c\u3067\u304d\u307e\u3059\u3002\u3088\u304f\u3042\u308b\u4f8b\u3092\u3044\u304f\u3064\u304b\u6319\u3052\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li><strong>Apple<\/strong>\u3067\u59cb\u307e\u308b MAC \u306f\u3001MacBook\u3001iPhone\u3001\u307e\u305f\u306f iPad \u306b\u5c5e\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>HP<\/strong>\u88fd\u3067\u3059\u304b\u3001\u305d\u308c\u3068\u3082<strong>\u30ad\u30e4\u30ce\u30f3<\/strong>\u88fd\u3067\u3059\u304b\uff1f\u304a\u305d\u3089\u304f\u30d7\u30ea\u30f3\u30bf\u30fc\u304b\u30b9\u30ad\u30e3\u30ca\u30fc\u3067\u3057\u3087\u3046\u3002<\/li>\n<li><strong>\u3082\u3057Espressif Inc.<\/strong>\u3068\u66f8\u3044\u3066\u3042\u308b\u306a\u3089\u3001\u305d\u308c\u306f\u304a\u305d\u3089\u304f\u3042\u306a\u305f\u306e\u5bb6\u306b\u3042\u308b\u30b9\u30de\u30fc\u30c8\u30d7\u30e9\u30b0\u304b\u30bb\u30f3\u30b5\u30fc\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u3055\u3089\u306b\u3001\u6700\u8fd1\u306e\u30eb\u30fc\u30bf\u30fc\u306e\u307b\u3068\u3093\u3069\u306e\u7ba1\u7406\u30d1\u30cd\u30eb\u306b\u306f\u300c\u63a5\u7d9a\u30c7\u30d0\u30a4\u30b9\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u30eb\u30fc\u30bf\u30fc\u306b\u30ed\u30b0\u30a4\u30f3\uff08\u901a\u5e38\u306f<strong>http:\/\/192.168.1.1<\/strong>\u307e\u305f\u306f<strong>http:\/\/192.168.0.1<\/strong>\uff09\u3057\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30ea\u30b9\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002MAC\u30a2\u30c9\u30ec\u30b9\u306e\u6a2a\u306b\u30c7\u30d0\u30a4\u30b9\u540d\u3084IP\u30a2\u30c9\u30ec\u30b9\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u3001\u305d\u306e\u5834\u5408\u306f\u4f55\u304c\u4f55\u306a\u306e\u304b\u304c\u306f\u308b\u304b\u306b\u7c21\u5358\u306b\u308f\u304b\u308a\u307e\u3059\u3002\u30eb\u30fc\u30bf\u30fc\u306b\u3088\u3063\u3066\u306f\u3001\u300c\u30b9\u30c6\u30fc\u30bf\u30b9\u300d&gt;\u300c\u63a5\u7d9a\u30c7\u30d0\u30a4\u30b9\u300d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u305d\u308c\u307b\u3069\u8907\u96d1\u306a\u6a5f\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u901a\u5e38\u306f\u3053\u308c\u3067\u5341\u5206\u3067\u3059\u3002<\/p>\n<h2 id=\"h-the-bottom-line\">\u7d50\u8ad6<\/h2>\n<p>MAC\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3063\u3066\u30c7\u30d0\u30a4\u30b9\u306eID\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u306f\u3001\u30cf\u30c3\u30ad\u30f3\u30b0\u3084\u4e0d\u6c17\u5473\u306a\u8ffd\u8de1\u884c\u70ba\u3068\u306f\u7570\u306a\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u57fa\u672c\u7684\u306a\u8abf\u67fb\u4f5c\u696d\u3067\u3059\u3002\u3082\u3061\u308d\u3093\u3001\u8ab0\u304c\u500b\u4eba\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u304b\u307e\u3067\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u304c\u3001\u4f55\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u3066\u3001\u8ab0\u304c\u90e8\u5916\u8005\u306a\u306e\u304b\u306b\u3064\u3044\u3066\u3001\u3042\u308b\u7a0b\u5ea6\u306e\u624b\u304c\u304b\u308a\u306f\u5f97\u3089\u308c\u307e\u3059\u3002\u53e4\u3044Android\u30bf\u30d6\u30ec\u30c3\u30c8\u3084\u8b0e\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u304c\u624b\u5143\u306b\u3042\u308b\u3060\u3051\u3067\u3001\u72b6\u6cc1\u304c\u6574\u7406\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u643a\u5e2f\u96fb\u8a71\u3001\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7\u3001\u30b9\u30de\u30fc\u30c8\u30c6\u30ec\u30d3\u3001\u53e4\u3044\u30d7\u30ea\u30f3\u30bf\u30fc\u306a\u3069\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3059\u308b\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u306fMAC \u30a2\u30c9\u30ec\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u57fa\u672c\u7684\u306b 12 \u6587\u5b57\u306e\u6570\u5b57\u3068\u6587\u5b57\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3001\u30c7\u30b8\u30bf\u30eb\u6307\u7d0b\u306e\u3088\u3046\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002Wi-Fi \u30c7\u30d0\u30a4\u30b9\u306e\u4e00\u89a7\u3092\u8997\u3044\u3066\u300c\u4e00\u4f53\u8ab0\u304c\u79c1\u306e\u5e2f\u57df\u5e45\u3092\u5168\u90e8\u4f7f\u3063\u3066\u3044\u308b\u306e\u3060\u308d\u3046\uff1f\u300d\u3068\u601d\u3063\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b\u3002MAC \u3067\u30c7\u30d0\u30a4\u30b9\u3092\u8b58\u5225\u3059\u308b\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u304a\u304f\u3068\u5f79\u306b\u7acb\u3061\u307e\u3059\u3002\u3055\u3089\u306b\u7d20\u6674\u3089\u3057\u3044\u306e\u306f\u3001MAC \u30a2\u30c9\u30ec\u30b9\u3060\u3051\u3067\u30c7\u30d0\u30a4\u30b9\u3092\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u7c21\u5358\u306b\u691c\u7d22\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002\u4fbf\u5229\u3067\u3057\u3087\u3046? \u305f\u3060\u3057\u3001\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u660e\u78ba\u306b\u8868\u793a\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001MAC \u3092\u96a0\u3057\u305f\u308a\u507d\u88c5\u3057\u305f\u308a\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u3082\u3042\u308b\u305f\u3081\u3001\u6642\u3005\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u304c\u3001\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u4f55\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u3046\u307e\u304f\u628a\u63e1\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u96d1\u7136\u3068\u3057\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u308b\u5834\u5408\u3084\u3001\u8ab0\u304c Wi-Fi \u306b\u3053\u3063\u305d\u308a\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u308b\u304b\u3092\u628a\u63e1\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u5834\u5408\u3001MAC \u3067\u30c7\u30d0\u30a4\u30b9\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u3042\u308b\u610f\u5473\u6551\u308f\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6240\u6709\u8005\u306e\u500b\u4eba\u540d\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u304c\u3001\u30e1\u30fc\u30ab\u30fc\u540d\u3084\u30c7\u30d0\u30a4\u30b9\u306e\u7a2e\u985e\u306f\u308f\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3060\u3051\u3067\u3001\u898b\u899a\u3048\u306e\u306a\u3044\u30c7\u30d0\u30a4\u30b9\u3084\u3001\u5fd8\u308c\u3066\u3044\u305f\u53e4\u3044\u6a5f\u5668\u3092\u898b\u3064\u3051\u308b\u306e\u306b\u5341\u5206\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u901a\u5e38\u306eMAC\u30a2\u30c9\u30ec\u30b9\u691c\u7d22\u3067\u306f\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u306f\u8868\u793a\u3055\u308c\u306a\u3044\u306e\u3067\u3001\u3042\u304f\u307e\u3067\u300c\u3053\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u8ab0\u306e\u3082\u306e\u304b\uff1f\u300d\u3068\u3044\u3046\u60c5\u5831\u3067\u3042\u308a\u3001\u300c\u8ab0\u304c\u6240\u6709\u3057\u3066\u3044\u308b\u304b\uff1f\u300d\u3068\u3044\u3046\u60c5\u5831\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002 MAC\u30a2\u30c9\u30ec\u30b9\u304c\u5b9f\u969b\u306b\u4f55\u3092\u4f1d\u3048\u3066\u3044\u308b\u306e\u304b MAC\u30a2\u30c9\u30ec\u30b9\u306e\u524d\u534a\u90e8\u5206\uff08OUI\u3001Organizationally Unique Identifier\u3068\u547c\u3070\u308c\u307e\u3059\uff09\u306f\u88fd\u9020\u5143\u3092\u793a\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u300100:1A:79\u3067\u59cb\u307e\u308b\u3082\u306e\u304c\u3042\u308c\u3070\u3001\u305d\u308c\u306f\u304a\u305d\u3089\u304fApple\u88fd\u3067\u3059\u3002\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u3001Samsung\u3001Intel\u3001Cisco\u306a\u3069\u3067\u3059\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u88fd\u9020\u5143\u304b\u3089\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3001\u30ce\u30fc\u30c8\u30d1\u30bd\u30b3\u30f3\u3001\u3042\u308b\u3044\u306f\u30eb\u30fc\u30bf\u30fc\u306a\u3069\u3001\u304a\u304a\u3088\u305d\u306e\u898b\u5f53\u3092\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5c11\u3057\u5947\u5999\u3067\u3059\u304c\u3001\u5c11\u306a\u304f\u3068\u3082\u51fa\u767a\u70b9\u3068\u3057\u3066\u306f\u5f79\u7acb\u3061\u307e\u3059\u3002 \u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u30c7\u30d0\u30a4\u30b9\u3092\u8b58\u5225\u3059\u308b\u65b9\u6cd5 \u307e\u305a\u306fMAC\u30a2\u30c9\u30ec\u30b9\u306e\u691c\u7d22\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002macvendors.com\u3001DNSChecker\u306eMAC Lookup\u3001Wireshark\u306eOUI\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3044\u3063\u305f\u30b5\u30a4\u30c8\u3092\u4f7f\u3048\u3070\u3001 MAC\u30a2\u30c9\u30ec\u30b9\u3092\u30b3\u30d4\u30fc\uff06\u30da\u30fc\u30b9\u30c8\u3059\u308b\u3060\u3051\u3067\u7c21\u5358\u306b\u691c\u7d22\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u3001\u5404OUI\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u30e1\u30fc\u30ab\u30fc\u306b\u7d10\u4ed8\u3051\u308b\u30d1\u30d6\u30ea\u30c3\u30af\u30ec\u30b8\u30b9\u30c8\u30ea\u3068\u9023\u643a\u3057\u307e\u3059\u3002\u8a2d\u5b9a\u306b\u3088\u3063\u3066\u306f\u9a5a\u304f\u307b\u3069\u65e9\u304f\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u30c7\u30d0\u30a4\u30b9\u306b\u30de\u30a6\u30b9\u30aa\u30fc\u30d0\u30fc\u3059\u308b\u3060\u3051\u3067\u3001\u305d\u308c\u304cApple TV\u3001\u30d7\u30ea\u30f3\u30bf\u30fc\u3001\u3042\u308b\u3044\u306fIoT\u30ac\u30b8\u30a7\u30c3\u30c8\u306a\u306e\u304b\u304c\u5206\u304b\u308a\u307e\u3059\u3002 \u30e1\u30fc\u30ab\u30fc\u304c\u5206\u304b\u308c\u3070\u3001\u3069\u3093\u306a\u7a2e\u985e\u306e\u30c7\u30d0\u30a4\u30b9\u306a\u306e\u304b\u63a8\u6e2c\u3067\u304d\u307e\u3059\u3002\u3088\u304f\u3042\u308b\u4f8b\u3092\u3044\u304f\u3064\u304b\u6319\u3052\u3066\u307f\u307e\u3057\u3087\u3046\u3002 Apple\u3067\u59cb\u307e\u308b MAC \u306f\u3001MacBook\u3001iPhone\u3001\u307e\u305f\u306f iPad \u306b\u5c5e\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 HP\u88fd\u3067\u3059\u304b\u3001\u305d\u308c\u3068\u3082\u30ad\u30e4\u30ce\u30f3\u88fd\u3067\u3059\u304b\uff1f\u304a\u305d\u3089\u304f\u30d7\u30ea\u30f3\u30bf\u30fc\u304b\u30b9\u30ad\u30e3\u30ca\u30fc\u3067\u3057\u3087\u3046\u3002 \u3082\u3057Espressif Inc.\u3068\u66f8\u3044\u3066\u3042\u308b\u306a\u3089\u3001\u305d\u308c\u306f\u304a\u305d\u3089\u304f\u3042\u306a\u305f\u306e\u5bb6\u306b\u3042\u308b\u30b9\u30de\u30fc\u30c8\u30d7\u30e9\u30b0\u304b\u30bb\u30f3\u30b5\u30fc\u3067\u3059\u3002 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