{"id":54307,"date":"2025-03-27T17:38:41","date_gmt":"2025-03-27T09:38:41","guid":{"rendered":"https:\/\/lightningxvpn.com\/blog\/?p=54307"},"modified":"2025-10-18T15:00:07","modified_gmt":"2025-10-18T07:00:07","slug":"ipv4-no-internet-access-ja","status":"publish","type":"post","link":"https:\/\/lightningxvpn.com\/blog\/ja\/ipv4-no-internet-access-ja\/","title":{"rendered":"IPv4 \u63a5\u7d9a\u3067\u304d\u306a\u3044: \u4e00\u822c\u7684\u306a\u539f\u56e0\u3068\u89e3\u6c7a\u65b9\u6cd5"},"content":{"rendered":"\n<p>\u300cIPv4 \u63a5\u7d9a\u3067\u304d\u306a\u3044\u300d\u306e\u30a8\u30e9\u30fc\u306f\u3001\u901a\u5e38\u3001IP\u30a2\u30c9\u30ec\u30b9\u307e\u305f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u539f\u56e0\u306b\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u7af6\u5408\u3084\u53e4\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c0\u30d7\u30bf\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u5e78\u3044\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u306f\u901a\u5e38\u7c21\u5358\u306b\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u30ac\u30a4\u30c9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u300cIPv4 \u63a5\u7d9a\u3067\u304d\u306a\u3044\u300d\u30a8\u30e9\u30fc\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Wi-Fi \u30eb\u30fc\u30bf\u30fc\u307e\u305f\u306f\u30e2\u30c7\u30e0\u3092\u518d\u8d77\u52d5\u3059\u308b<\/h3>\n\n\n\n<p>\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306a\u3057\u300d\u306e\u30a8\u30e9\u30fc\u306f\u3001\u3057\u3070\u3057\u3070Wi-Fi\u63a5\u7d9a\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001Wi-Fi\u30eb\u30fc\u30bf\u30fc\u307e\u305f\u306f\u30e2\u30c7\u30e0\u3092\u518d\u8d77\u52d5\u3057\u3066\u3001\u30c7\u30d0\u30a4\u30b9\u306b\u65b0\u3057\u3044IP\u30a2\u30c9\u30ec\u30b9\u3092\u518d\u5272\u308a\u5f53\u3066\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001IPv4\u30a2\u30c9\u30ec\u30b9\u304c\u66f4\u65b0\u3055\u308c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u5fa9\u5143\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">IPv6 \u3092\u7121\u52b9\u306b\u3059\u308b<\/h3>\n\n\n\n<p>IPv4\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u306a\u3044\u304c\u3001IPv6\u63a5\u7d9a\u306b\u554f\u984c\u304c\u306a\u3044\u5834\u5408\u3001<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/ip-address-conflict-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">IP\u30a2\u30c9\u30ec\u30b9\u306e\u7af6\u5408<\/a>\u304c\u539f\u56e0\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001IPv6\u3092\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<ul>\n<li><strong>Win + R<\/strong> \u3092\u62bc\u3057\u3066\u300c\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\u3057\u3066\u5b9f\u884c\u300d\u30dc\u30c3\u30af\u30b9\u3092\u958b\u304d\u3001\u300cControl\u300d\u3068\u5165\u529b\u3057\u3066Enter\u3092\u62bc\u3057\u3066\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5de6\u5074\u306e\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u300c\u30a2\u30c0\u30d7\u30bf\u30fc\u306e\u8a2d\u5b9a\u306e\u5909\u66f4\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u300c\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 6 (TCP\/IPv6)\u300d\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30c1\u30a7\u30c3\u30af\u3092\u5916\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300cOK\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3067\u3001IPv4\u30a2\u30c9\u30ec\u30b9\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3067\u304d\u308b\u304b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">VPN\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n\n\n\n<p>PC\u304c\u300cIPv4 \u63a5\u7d9a\u3067\u304d\u306a\u3044\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u3001\u5730\u7406\u7684\u5236\u9650\u304c\u539f\u56e0\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002VPN\u3092\u4f7f\u7528\u3057\u3066\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>\u4fe1\u983c\u3067\u304d\u308bVPN\uff08\u4f8b: <a href=\"https:\/\/lightningxvpn.com\/ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">LightningX VPN<\/a>\uff09\u3092\u9078\u3093\u3067\u3001\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>VPN\u30a2\u30d7\u30ea\u3092\u958b\u304d\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a2\u30af\u30bb\u30b9\u3057\u305f\u3044\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u63a5\u7d9a\u3067\u304d\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u63a5\u7d9a\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u3053\u308c\u3067VPN\u304c\u6709\u52b9\u306b\u306a\u308a\u3001\u554f\u984c\u304c\u89e3\u6c7a\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"border-radius:15px;background-color:#ffefd8;padding-top:var(--wp--preset--spacing--10);padding-right:var(--wp--preset--spacing--10);padding-bottom:var(--wp--preset--spacing--10);padding-left:var(--wp--preset--spacing--10)\">\n<p><strong>\u30d2\u30f3\u30c8:<\/strong> LightningX VPN\u306f<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/ipv4-vs-ipv6-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">IPv4\u304a\u3088\u3073IPv6<\/a>\u30a2\u30c9\u30ec\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u7af6\u5408\u3092\u9632\u304e\u307e\u3059\u300250\u4ee5\u4e0a\u306e\u56fd\u306b2,000\u4ee5\u4e0a\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u6301\u3063\u3066\u304a\u308a\u3001\u65e5\u672c\u3001\u97d3\u56fd\u3001\u30b9\u30da\u30a4\u30f3\u3001\u7c73\u56fd\u3001\u30ed\u30b7\u30a2\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002Windows\u3001macOS\u3001Android\u3001iOS\u3001tvOS\u3001Linux\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u30013\u53f0\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u540c\u6642\u63a5\u7d9a\u3067\u304d\u307e\u3059\u3002\u521d\u5fc3\u8005\u5411\u3051\u306b\u7121\u6599\u8a66\u7528\u7248\u3082\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u307e\u305a\u306f\u8a66\u3057\u3066\u307f\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-1 wp-block-buttons-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10)\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-75 has-custom-font-size is-style-outline\" style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.542), 1.2rem);\"><a class=\"wp-block-button__link has-base-2-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/lightningxvpn.com\/ja\/download\" style=\"border-style:none;border-width:0px;border-radius:100px;background-color:#ffb700;padding-top:var(--wp--preset--spacing--10);padding-right:0;padding-bottom:var(--wp--preset--spacing--10);padding-left:0\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>LightningX VPN \u7121\u6599\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u66f4\u65b0\u3059\u308b<\/h3>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u66f4\u65b0\u3059\u308b\u3068\u3001IPv4\u63a5\u7d9a\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306a\u3057\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u624b\u9806\u3067\u66f4\u65b0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li><strong>Win + R<\/strong> \u3092\u62bc\u3057\u3066\u300c\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\u3057\u3066\u5b9f\u884c\u300d\u30dc\u30c3\u30af\u30b9\u3092\u958b\u304d\u3001\u300cdevmgmt.msc\u300d\u3068\u5165\u529b\u3057\u3066Enter\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c0\u30d7\u30bf\u30fc\u300d\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3057\u3066\u5c55\u958b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u73fe\u5728\u4f7f\u7528\u4e2d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c0\u30d7\u30bf\u30fc\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u300c\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u66f4\u65b0\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u753b\u9762\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u66f4\u65b0\u3092\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c9\u30e9\u30a4\u30d0\u30fc\u304c\u66f4\u65b0\u3055\u308c\u305f\u3089\u3001PC\u3092\u518d\u8d77\u52d5\u3057\u3001\u554f\u984c\u304c\u89e3\u6c7a\u3055\u308c\u305f\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u306b\u3059\u308b<\/h3>\n\n\n\n<p>\u30a6\u30a7\u30d6\u3092\u95b2\u89a7\u4e2d\u306b\u300cIPv4 \u63a5\u7d9a\u3067\u304d\u306a\u3044\u300d\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30aa\u30d5\u306b\u3059\u308b\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul>\n<li><strong>Win + S<\/strong>\u3092\u62bc\u3057\u3066\u300cWindows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300d\u3092\u691c\u7d22\u3057\u3001\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300cWindows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300d\u306e\u300c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4fdd\u8b77\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u30a2\u30af\u30c6\u30a3\u30d6\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300cMicrosoft Defender \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u300d\u3092\u30aa\u30d5\u306b\u5207\u308a\u66ff\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u7121\u52b9\u306b\u3059\u308b\u306b\u306f\u3001\u53f3\u4e0b\u306e\u30b7\u30b9\u30c6\u30e0\u30c8\u30ec\u30a4\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u300c\u7d42\u4e86\u300d\u3084\u300c\u9589\u3058\u308b\u300d\u306a\u3069\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u64cd\u4f5c\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"337\" height=\"412\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/ipv4-no-internet-access-1.png\" alt=\"\u300c\u7d42\u4e86\u300d\u3092\u9078\u629e\" class=\"wp-image-54281\" style=\"width:362px;height:auto\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/ipv4-no-internet-access-1.png 337w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/ipv4-no-internet-access-1-245x300.png 245w\" sizes=\"(max-width: 337px) 100vw, 337px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/ip-release-and-renew-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"IP\u30a2\u30c9\u30ec\u30b9\u8a2d\u5b9a\u3092\u66f4\u65b0\u3059\u308b\">IP\u30a2\u30c9\u30ec\u30b9\u8a2d\u5b9a\u3092\u66f4\u65b0\u3059\u308b<\/a><\/h3>\n\n\n\n<p>IP\u8a2d\u5b9a\u3092\u66f4\u65b0\u3059\u308b\u3068\u3001IPv4\u30a2\u30c9\u30ec\u30b9\u306b\u95a2\u3059\u308b\u591a\u304f\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u554f\u984c\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li><strong>Win + S<\/strong>\u3092\u62bc\u3057\u3066\u300c\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u300d\u3092\u691c\u7d22\u3057\u3001\u7ba1\u7406\u8005\u3068\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300cipconfig \/release\u300d\u3068\u5165\u529b\u3057\u3066Enter\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6b21\u306b\u300cipconfig \/renew\u300d\u3068\u5165\u529b\u3057\u3066Enter\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6700\u5f8c\u306b\u300cexit\u300d\u3068\u5165\u529b\u3057\u3066Enter\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3067IP\u8a2d\u5b9a\u304c\u6b63\u5e38\u306b\u66f4\u65b0\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002\u554f\u984c\u304c\u89e3\u6c7a\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">IPv4\u306e\u81ea\u52d5\u5272\u308a\u5f53\u3066\u3092\u6709\u52b9\u306b\u3059\u308b<\/h3>\n\n\n\n<p>IPv4\u306e\u81ea\u52d5\u5272\u308a\u5f53\u3066\u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u3001\u9759\u7684IP\u306e\u4f7f\u7528\u3092\u9632\u304e\u3001\u300cIPv4 \u63a5\u7d9a\u3067\u304d\u306a\u3044\u300d\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>Win + S\u3092\u62bc\u3057\u3066\u300c\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d1\u30cd\u30eb\u300d\u3092\u691c\u7d22\u3057\u3001\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d1\u30cd\u30eb\u304b\u3089\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u5171\u6709\u30bb\u30f3\u30bf\u30fc\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30da\u30fc\u30b8\u306e\u5de6\u5074\u306b\u3042\u308b\u300c\u30a2\u30c0\u30d7\u30bf\u30fc\u306e\u8a2d\u5b9a\u306e\u5909\u66f4\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\uff08Wi-Fi\uff09\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 (TCP\/IPv4)\u300d\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001IPv4\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u30bf\u30d6\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30bf\u30d6\u3067\u300cIP\u30a2\u30c9\u30ec\u30b9\u3092\u81ea\u52d5\u7684\u306b\u53d6\u5f97\u3059\u308b\u300d\u3068\u300cDNS\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u81ea\u52d5\u7684\u306b\u53d6\u5f97\u3059\u308b\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li> \u300cOK\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u5909\u66f4\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"495\" height=\"528\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/ipv4-no-internet-access-2.png\" alt=\"\u81ea\u52d5IP\u3068DNS\u8a2d\u5b9a\u3092\u9078\u629e\" class=\"wp-image-54280\" style=\"border-width:1px;width:379px;height:auto\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/ipv4-no-internet-access-2.png 495w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/03\/ipv4-no-internet-access-2-281x300.png 281w\" sizes=\"(max-width: 495px) 100vw, 495px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Winsock \u30ab\u30bf\u30ed\u30b0\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b<\/h3>\n\n\n\n<p>Winsock\u306f\u3001Windows OS\u7528\u306eAPI\u30bb\u30c3\u30c8\u3067\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u4fe1\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001TCP\u304a\u3088\u3073IP\u306e\u63a5\u7d9a\u3082\u542b\u307e\u308c\u307e\u3059\u3002PC\u306eWinsock\u304c\u7834\u640d\u3059\u308b\u3068\u3001IPv4\u306b\u95a2\u3059\u308b\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u306f\u3001Winsock\u30ab\u30bf\u30ed\u30b0\u3092\u30ea\u30bb\u30c3\u30c8\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>Win + S\u3092\u62bc\u3057\u3066\u300c\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u300d\u3092\u691c\u7d22\u3057\u3001\u7ba1\u7406\u8005\u3068\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u300cnetsh winsock reset\u300d\u3068\u5165\u529b\u3057\u3066Enter\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300cnetsh int ip reset\u300d\u3068\u5165\u529b\u3057\u3066Enter\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3092\u518d\u8d77\u52d5\u3057\u3001\u554f\u984c\u304c\u89e3\u6c7a\u3057\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-disable-proxy-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">\u30d7\u30ed\u30ad\u30b7\u3092\u7121\u52b9\u306b\u3059\u308b<\/a><\/h3>\n\n\n\n<p>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306bVPN\u304c\u3042\u308b\u5834\u5408\u3001VPN\u3092\u30aa\u30d5\u306b\u3057\u3066\u3082PC\u306e\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u304c\u6709\u52b9\u306e\u307e\u307e\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30d7\u30ed\u30ad\u30b7\u304cIPv4\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306b\u5e72\u6e09\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u3092\u7121\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li><strong>Win + I<\/strong>\u3092\u62bc\u3057\u3066\u8a2d\u5b9a\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5de6\u5074\u306e\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u300c\u30d7\u30ed\u30ad\u30b7\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u81ea\u52d5\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u300d\u306e\u4e0b\u3067\u3001\u300c\u8a2d\u5b9a\u3092\u81ea\u52d5\u7684\u306b\u691c\u51fa\u3059\u308b\u300d\u3092\u30aa\u30d5\u306b\u3057\u307e\u3059\u3002\u300c\u624b\u52d5\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u300d\u306e\u4e0b\u3067\u3001\u300c\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u300d\u3092\u30aa\u30d5\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">ISP\u306b\u9023\u7d61\u3059\u308b<\/h3>\n\n\n\n<p>ISP\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\uff09\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u306e\u5272\u308a\u5f53\u3066\u3001\u5e2f\u57df\u5e45\u3001\u305d\u306e\u4ed6\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u95a2\u9023\u306e\u6a5f\u80fd\u3092\u7ba1\u7406\u3059\u308b\u5f79\u5272\u304c\u3042\u308a\u307e\u3059\u3002\u554f\u984c\u304c\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u3001ISP\u306eIPv4\u5272\u308a\u5f53\u3066\u306b\u554f\u984c\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u89e3\u6c7a\u7b56\u3092\u6c42\u3081\u3066ISP\u306b\u9023\u7d61\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>ISP\u3092\u7279\u5b9a\u3059\u308b\u306b\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u3067\u300c\u79c1\u306eISP\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d\u3068\u691c\u7d22\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u308f\u304b\u3063\u305f\u3089\u3001\u305d\u306e\u516c\u5f0f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u9023\u7d61\u5148\u60c5\u5831\u3092\u63a2\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Microsoft\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u76f8\u8ac7\u3059\u308b<\/h3>\n\n\n\n<p><a href=\"https:\/\/answers.microsoft.com\/ja\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">Microsoft\u30b3\u30df\u30e5\u30cb\u30c6\u30a3<\/a>\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u554f\u984c\u306a\u3069\u3001PC\u95a2\u9023\u306e\u3055\u307e\u3056\u307e\u306a\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u7d20\u6674\u3089\u3057\u3044\u30ea\u30bd\u30fc\u30b9\u3067\u3059\u3002MS\u30d5\u30a9\u30fc\u30e9\u30e0\u306b\u8cea\u554f\u3092\u6295\u7a3f\u3057\u3001\u89e3\u6c7a\u7b56\u306b\u5f79\u7acb\u3064\u56de\u7b54\u3092\u63a2\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u300cIPv4 \u63a5\u7d9a\u3067\u304d\u306a\u3044\u300d\u30a8\u30e9\u30fc\u306e\u539f\u56e0<\/h2>\n\n\n\n<p>IPv4\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3067\u304d\u306a\u3044\u539f\u56e0\u306f\u3055\u307e\u3056\u307e\u3067\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u539f\u56e0\u3092\u3044\u304f\u3064\u304b\u6319\u3052\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>IP\u30a2\u30c9\u30ec\u30b9\u306e\u7af6\u5408<\/li>\n\n\n\n<li>\u53e4\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c9\u30e9\u30a4\u30d0\u30fc<\/li>\n\n\n\n<li>\u58ca\u308c\u305fWinsock\u30ab\u30bf\u30ed\u30b0<\/li>\n\n\n\n<li>\u5730\u7406\u7684\u5236\u9650<\/li>\n\n\n\n<li>\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u4fdd\u8b77<\/li>\n\n\n\n<li>\u8a2d\u5b9a\u30df\u30b9\u306eDNS\u30b5\u30fc\u30d0\u30fc<\/li>\n\n\n\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306e\u554f\u984c<\/li>\n\n\n\n<li>\u30d7\u30ed\u30ad\u30b7\u306e\u5e72\u6e09<\/li>\n\n\n\n<li>ISP\u306e\u554f\u984c<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">IPv4\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306a\u3057\u306b\u95a2\u3059\u308bFAQ<\/h2>\n\n\n\n<p>Q: \u306a\u305c\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306a\u3057\u3068\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3059\u304b\uff1f<\/p>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306e\u7af6\u5408\u3001\u640d\u50b7\u3057\u305f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30b1\u30fc\u30d6\u30eb\u3001\u307e\u305f\u306f\u30eb\u30fc\u30bf\u30fc\u306e\u4e0d\u5177\u5408\u304c\u539f\u56e0\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30b1\u30fc\u30d6\u30eb\u304c\u6b63\u5e38\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>Q: \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306f\u7dd1\u8272\u3067\u3059\u304c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u306a\u305c\u3067\u3059\u304b\uff1f<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u7269\u7406\u7684\u306a\u63a5\u7d9a\u306b\u554f\u984c\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u554f\u984c\u306fIP\u30a2\u30c9\u30ec\u30b9\u3001DNS\u30b5\u30fc\u30d0\u30fc\u3001\u30eb\u30fc\u30bf\u30fc\u3001\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3001\u307e\u305f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c0\u30d7\u30bf\u30fc\u306b\u8d77\u56e0\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>Q: IPv6\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306a\u3057\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\u306f\uff1f<\/p>\n\n\n\n<p>\u300c<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/fix-ipv6-no-network-access-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">IPv6\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30af\u30bb\u30b9\u306a\u3057<\/a>\u300d\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u518d\u8d77\u52d5\u3001IPv6\u306e\u6709\u52b9\u5316\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u66f4\u65b0\u3001\u307e\u305f\u306fTCP\/IP\u8a2d\u5b9a\u306e\u30ea\u30bb\u30c3\u30c8\u3092\u8a66\u307f\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u300cIPv4 \u63a5\u7d9a\u3067\u304d\u306a\u3044\u300d\u306e\u30a8\u30e9\u30fc\u306f\u3001\u901a\u5e38\u3001IP\u30a2\u30c9\u30ec\u30b9\u307e\u305f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":54386,"comment_status":"closed","ping_status":"open","sticky":false,"template":"wp-custom-template-ja","format":"standard","meta":{"footnotes":""},"categories":[526],"tags":[],"aioseo_notices":[],"lang":"ja","translations":{"ja":54307,"en":54279,"cn":54286,"ko":54308,"ru":54309},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/54307"}],"collection":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/comments?post=54307"}],"version-history":[{"count":3,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/54307\/revisions"}],"predecessor-version":[{"id":75731,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/54307\/revisions\/75731"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/media\/54386"}],"wp:attachment":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/media?parent=54307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/categories?post=54307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/tags?post=54307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}