{"id":1262,"date":"2026-09-20T08:11:48","date_gmt":"2026-09-20T08:11:48","guid":{"rendered":"https:\/\/junglelabs.uk\/"},"modified":"2026-09-20T08:18:49","modified_gmt":"2026-09-20T08:18:49","slug":"what-is-an-ip-address-a-complete-beginners-guide","status":"publish","type":"post","link":"https:\/\/junglelabs.uk\/ja\/what-is-an-ip-address-a-complete-beginners-guide\/","title":{"rendered":"IP\u30a2\u30c9\u30ec\u30b9\u3068\u306f\u4f55\u304b\uff1f\u521d\u5fc3\u8005\u5411\u3051\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"<p class=\"wp-block-paragraph\">IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u307e\u305f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u6570\u5024\u30e9\u30d9\u30eb\u3067\u3059\u3002\u305d\u306e\u4e3b\u306a\u76ee\u7684\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u306e\u5b9b\u5148\u307e\u305f\u306f\u9001\u4fe1\u5143\u3092\u8b58\u5225\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30fc\u30bf\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u79fb\u52d5\u3059\u308b\u3068\u304d\u3001\u5c0f\u3055\u306a\u5358\u4f4d\u306b\u5206\u5272\u3055\u308c\u3001\u30d1\u30b1\u30c3\u30c8\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u5404\u30d1\u30b1\u30c3\u30c8\u306b\u306f\u3001\u305d\u308c\u304c\u3069\u3053\u304b\u3089\u6765\u305f\u306e\u304b\u3001\u3069\u3053\u3078\u884c\u304f\u306e\u304b\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u3058\u3066\u3053\u308c\u3089\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u8ee2\u9001\u3059\u308b\u306e\u3092\u88dc\u52a9\u3057\u307e\u3059\u3002\u5b9b\u5148\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u304c\u6700\u7d42\u7684\u306b\u5230\u7740\u3059\u3079\u304d\u5834\u6240\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u4f1d\u3048\u3001\u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u306e\u89b3\u70b9\u304b\u3089\u9001\u4fe1\u8005\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u6a5f\u5668\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30d1\u30d6\u30ea\u30c3\u30af\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306f\u30011\u3064\u307e\u305f\u306f\u8907\u6570\u306e\u30d1\u30d6\u30ea\u30c3\u30afIP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u4f1a\u793e\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5074\u306b\u30d1\u30d6\u30ea\u30c3\u30af\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3061\u3001\u5185\u90e8\u5074\u306b\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3064\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7\u306f\u3001\u30aa\u30d5\u30a3\u30b9\u5185\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u306a\u304c\u3089\u3001\u30aa\u30d5\u30a3\u30b9\u30eb\u30fc\u30bf\u30fc\u306e\u30d1\u30d6\u30ea\u30c3\u30af\u30a2\u30c9\u30ec\u30b9\u3092\u901a\u3058\u3066\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30c9\u30ec\u30b9\u81ea\u4f53\u304c\u30c7\u30d0\u30a4\u30b9\u306b\u3064\u3044\u3066\u3059\u3079\u3066\u3092\u8aac\u660e\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30e6\u30fc\u30b6\u30fc\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3001\u7269\u7406\u7684\u306a\u5834\u6240\u3001\u307e\u305f\u306f\u63a5\u7d9a\u306e\u76ee\u7684\u3092\u81ea\u52d5\u7684\u306b\u8b58\u5225\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u306e\u8a73\u7d30\u306f\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u63a8\u6e2c\u3055\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001IP\u30a2\u30c9\u30ec\u30b9\u306b\u5b8c\u5168\u306b\u7b26\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IP\u30a2\u30c9\u30ec\u30b9\u306f\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u306e\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3059\u308b\u3068\u304d\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u901a\u5e38\u3001\u8a2d\u5b9a\u30d7\u30ed\u30bb\u30b9\u3092\u901a\u3058\u3066IP\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u30db\u30fc\u30e0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u304c\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30a2\u30c9\u30ec\u30b9\u3092\u81ea\u52d5\u7684\u306b\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3067\u306f\u3001\u7ba1\u7406\u8005\u304c\u30a2\u30c9\u30ec\u30b9\u3092\u624b\u52d5\u3067\u69cb\u6210\u3059\u308b\u304b\u3001\u81ea\u52d5\u5316\u3055\u308c\u305f\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30d0\u30a4\u30b9\u304c\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3064\u3068\u3001\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u307e\u305f\u306f\u30eb\u30fc\u30bf\u30fc\u3092\u901a\u3058\u3066\u5230\u9054\u53ef\u80fd\u306a\u4ed6\u306e\u30c7\u30d0\u30a4\u30b9\u3068\u901a\u4fe1\u3067\u304d\u308b\u3002\u30eb\u30fc\u30bf\u30fc\u306f\u5b9b\u5148\u30a2\u30c9\u30ec\u30b9\u3092\u8abf\u3079\u3001\u30d1\u30b1\u30c3\u30c8\u3092\u3069\u306e\u5834\u6240\u306b\u8ee2\u9001\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u3002\u305d\u306e\u6c7a\u5b9a\u306f\u3001\u7570\u306a\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3084\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u901a\u3058\u3066\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5230\u9054\u53ef\u80fd\u304b\u3092\u8a18\u8ff0\u3059\u308b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u60c5\u5831\u306b\u57fa\u3065\u3044\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u8a2a\u308c\u308b\u3068\u304d\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u307e\u305a\u305d\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u767a\u898b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u540d\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u30b7\u30b9\u30c6\u30e0\u3001\u307e\u305f\u306fDNS\u3092\u901a\u3058\u3066\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u306b\u63a5\u7d9a\u3092\u958b\u304d\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30eb\u30fc\u30bf\u30fc\u304c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8ee2\u9001\u3057\u3001\u305d\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u62c5\u5f53\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3084\u30b5\u30fc\u30d3\u30b9\u306b\u5230\u9054\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d7\u30ed\u30bb\u30b9\u306f\u901a\u5e38\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u898b\u3048\u307e\u305b\u3093\u3002\u4eba\u3005\u306f\u6b21\u306e\u540d\u524d\u3092\u899a\u3048\u3066\u3044\u307e\u3059\u3002 <code>example.com<\/code>\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306fIP\u30a2\u30c9\u30ec\u30b9\u3068\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u60c5\u5831\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002\u3053\u306e\u5206\u96e2\u306b\u3088\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306f\u4f7f\u3044\u3084\u3059\u304f\u306a\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u304c\u4e0b\u4f4d\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3057\u3066\u3082\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u65b0\u3057\u3044\u756a\u53f7\u3092\u8a18\u61b6\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"ip-widget-container\">\n  <div class=\"ip-badge\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u60c5\u5831<\/div>\n  <h3 class=\"ip-heading\">\u3042\u306a\u305f\u306e\u516c\u958bIP\u30a2\u30c9\u30ec\u30b9<\/h3>\n  \n  <div class=\"ip-display-box\">\n    <span id=\"client-ip\" class=\"ip-text\">\u691c\u51fa\u4e2d...<\/span>\n    <button id=\"copy-ip-btn\" class=\"copy-btn\" title=\"IP\u3092\u30b3\u30d4\u30fc\" aria-label=\"IP\u30a2\u30c9\u30ec\u30b9\u3092\u30b3\u30d4\u30fc\" disabled>\n      <svg class=\"copy-icon\" viewbox=\"0 0 24 24\" width=\"16\" height=\"16\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\">\n        <rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\" ry=\"2\"><\/rect>\n        <path d=\"M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1\"><\/path>\n      <\/svg>\n      <span id=\"copy-label\">\u30b3\u30d4\u30fc<\/span>\n    <\/button>\n  <\/div>\n  \n  <div class=\"ip-status\">\n    <span class=\"status-dot\"><\/span>\n    <span id=\"status-text\">\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u63a5\u7d9a\u4e2d\u2026<\/span>\n  <\/div>\n<\/div>\n\n<style>\n  .ip-widget-container {\n    max-width: 420px;\n    margin: 2rem auto;\n    padding: 2rem;\n    background: #0f172a;\n    border: 1px solid #1e293b;\n    border-radius: 16px;\n    color: #f8fafc;\n    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif;\n    box-sizing: border-box;\n  }\n\n  .ip-badge {\n    display: inline-block;\n    padding: 0.25rem 0.65rem;\n    background: rgba(56, 189, 248, 0.1);\n    color: #38bdf8;\n    font-size: 0.75rem;\n    font-weight: 600;\n    text-transform: uppercase;\n    letter-spacing: 0.08em;\n    border-radius: 9999px;\n    margin-bottom: 0.75rem;\n  }\n\n  .ip-heading {\n    margin: 0 0 1.25rem 0;\n    font-size: 1.15rem;\n    font-weight: 500;\n    color: #94a3b8;\n  }\n\n  .ip-display-box {\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n    background: #1e293b;\n    border: 1px solid #334155;\n    border-radius: 10px;\n    padding: 0.75rem 1rem;\n    gap: 0.75rem;\n  }\n\n  .ip-text {\n    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;\n    font-size: 1.2rem;\n    font-weight: 600;\n    color: #f1f5f9;\n    letter-spacing: 0.5px;\n    overflow: hidden;\n    text-overflow: ellipsis;\n    white-space: nowrap;\n  }\n\n  .copy-btn {\n    display: flex;\n    align-items: center;\n    gap: 0.35rem;\n    background: #334155;\n    color: #e2e8f0;\n    border: none;\n    border-radius: 6px;\n    padding: 0.4rem 0.75rem;\n    font-size: 0.8rem;\n    font-weight: 500;\n    cursor: pointer;\n    transition: all 0.2s ease;\n    flex-shrink: 0;\n  }\n\n  .copy-btn:hover:not(:disabled) {\n    background: #475569;\n    color: #ffffff;\n  }\n\n  .copy-btn:disabled {\n    opacity: 0.5;\n    cursor: not-allowed;\n  }\n\n  .ip-status {\n    display: flex;\n    align-items: center;\n    gap: 0.5rem;\n    margin-top: 1rem;\n    font-size: 0.8rem;\n    color: #64748b;\n  }\n\n  .status-dot {\n    width: 8px;\n    height: 8px;\n    background: #eab308;\n    border-radius: 50%;\n    transition: background-color 0.3s;\n  }\n\n  .status-dot.active {\n    background: #22c55e;\n    box-shadow: 0 0 8px #22c55e;\n  }\n\n  .status-dot.error {\n    background: #ef4444;\n  }\n<\/style>\n\n<script>\n  (function() {\n    const ipElement = document.getElementById('client-ip');\n    const statusText = document.getElementById('status-text');\n    const statusDot = document.querySelector('.status-dot');\n    const copyBtn = document.getElementById('copy-ip-btn');\n    const copyLabel = document.getElementById('copy-label');\n\n    function updateState(ip, message, isSuccess) {\n      ipElement.textContent = ip;\n      statusText.textContent = message;\n      if (isSuccess) {\n        statusDot.className = 'status-dot active';\n        copyBtn.disabled = false;\n      } else {\n        statusDot.className = 'status-dot error';\n      }\n    }\n\n    \/\/ Dual-stack lookup (IPv4\/IPv6 supported)\n    fetch('https:\/\/api64.ipify.org?format=json')\n      .then(res => {\n        if (!res.ok) throw new Error();\n        return res.json();\n      })\n      .then(data => {\n        updateState(data.ip, 'IPv4\/IPv6 Resolved', true);\n      })\n      .catch(() => {\n        \/\/ Fallback endpoint\n        fetch('https:\/\/api.ip.sb\/jsonip')\n          .then(res => res.json())\n          .then(data => {\n            updateState(data.ip, 'Resolved via fallback', true);\n          })\n          .catch(() => {\n            updateState('Unavailable', 'Failed to detect IP', false);\n          });\n      });\n\n    copyBtn.addEventListener('click', () => {\n      const ip = ipElement.textContent;\n      navigator.clipboard.writeText(ip).then(() => {\n        copyLabel.textContent = 'Copied!';\n        setTimeout(() => {\n          copyLabel.textContent = 'Copy';\n        }, 2000);\n      });\n    });\n  })();\n<\/script>\n\n\n\n<h2 class=\"wp-block-heading\">IPv4\u3068\u306f\u4f55\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IPv4 is the fourth version of the Internet Protocol and remains widely used. An IPv4 address contains 32 bits and is normally written as four decimal numbers separated by periods. An example is <code>192.0.2.25<\/code>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5404\u30bb\u30af\u30b7\u30e7\u30f3\u306f0\u304b\u3089255\u306e\u7bc4\u56f2\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u5f62\u5f0f\u306f\u8aad\u307f\u3084\u3059\u3044\u3067\u3059\u304c\u3001\u4f7f\u7528\u53ef\u80fd\u306aIPv4\u30a2\u30c9\u30ec\u30b9\u306e\u7dcf\u6570\u306f\u7d0443\u5104\u306b\u9650\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5f53\u6642\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u8a2d\u8a08\u6642\u306b\u306f\u305d\u306e\u6570\u306f\u5927\u304d\u304f\u611f\u3058\u3089\u308c\u307e\u3057\u305f\u304c\u3001\u500b\u4eba\u7528\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3001\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u3001\u30af\u30e9\u30a6\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304a\u3088\u3073\u63a5\u7d9a\u6a5f\u5668\u306e\u5897\u52a0\u306b\u3088\u308a\u3001\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u9700\u8981\u304c\u975e\u5e38\u306b\u5927\u304d\u304f\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IPv4\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u63a5\u982d\u8f9e\u9577\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u3088\u304f\u8a18\u8ff0\u3055\u308c\u3001\u4f8b\u3048\u3070 <code>192.0.2.0\/24<\/code>\u3002 <code>\/24<\/code> \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8b58\u5225\u3059\u308b\u30a2\u30c9\u30ec\u30b9\u306e\u5272\u5408\u3068\u3001\u500b\u3005\u306e\u30a2\u30c9\u30ec\u30b9\u306b\u4f7f\u7528\u53ef\u80fd\u306a\u5272\u5408\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u8868\u8a18\u6cd5\u306fCIDR\u3068\u547c\u3070\u308c\u3001\u30a2\u30c9\u30ec\u30b9\u30d6\u30ed\u30c3\u30af\u3084\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u7bc4\u56f2\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IPv4\u30a2\u30c9\u30ec\u30b9\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u7d44\u7e54\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\u5909\u63db\u3001\u30a2\u30c9\u30ec\u30b9\u5171\u6709\u3001\u8cb8\u3057\u51fa\u3057\u3001\u8b72\u6e21\u306a\u3069\u306e\u624b\u6cd5\u3092\u3088\u304f\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u65b9\u6cd5\u306b\u3088\u308a\u3001\u591a\u304f\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30c7\u30d0\u30a4\u30b9\u304c\u5c11\u6570\u306e\u30d1\u30d6\u30ea\u30c3\u30af\u30a2\u30c9\u30ec\u30b9\u3092\u901a\u3058\u3066\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u3092\u3088\u308a\u8907\u96d1\u306b\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IPv6\u3068\u306f\u4f55\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IPv6\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u3002IPv4\u30a2\u30c9\u30ec\u30b9\u306e\u4e0d\u8db3\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u4e00\u90e8\u3068\u3057\u3066\u8a2d\u8a08\u3055\u308c\u307e\u3057\u305f\u3002IPv6\u30a2\u30c9\u30ec\u30b9\u306b\u306f128\u30d3\u30c3\u30c8\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u975e\u5e38\u306b\u5927\u304d\u306a\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IPv6 addresses are written using hexadecimal characters separated by colons. An example is <code>2001:db8:1234::10<\/code>IPv6\u306e\u8868\u8a18\u306f\u3001\u30bc\u30ed\u306e\u30b0\u30eb\u30fc\u30d7\u3092\u77ed\u7e2e\u3067\u304d\u308b\u305f\u3081\u3001\u9577\u3044\u30a2\u30c9\u30ec\u30b9\u3092\u66f8\u304f\u306e\u304c\u7c21\u5358\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5927\u304d\u306aIPv6\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u306f\u308b\u304b\u306b\u591a\u304f\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u4e00\u610f\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002IPv6\u306b\u306f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u8a2d\u8a08\u3001\u30a2\u30c9\u30ec\u30b9\u8a2d\u5b9a\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u6539\u5584\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3002\u3057\u304b\u3057\u3001IPv4\u306f\u65e2\u5b58\u306e\u30a4\u30f3\u30d5\u30e9\u306b\u6df1\u304f\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u307b\u3068\u3093\u3069\u306e\u73fe\u4ee3\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u6bb5\u968e\u7684\u306a\u79fb\u884c\u4e2d\u306bIPv4\u3068IPv6\u3092\u4e00\u7dd2\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IPv6\u306f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4e0d\u8981\u306b\u3057\u307e\u305b\u3093\u3002IPv6\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u4f9d\u7136\u3068\u3057\u3066BGP\u3092\u4ecb\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3063\u3066\u304a\u308a\u3001\u7ba1\u7406\u8005\u306f\u6b63\u78ba\u306a\u767b\u9332\u8a18\u9332\u3001\u30eb\u30fc\u30c8\u30dd\u30ea\u30b7\u30fc\u304a\u3088\u3073\u30aa\u30ea\u30b8\u30f3\u8a8d\u8a3c\u304c\u5fc5\u8981\u3067\u3059\u3002IPv6\u5c55\u958b\u3092\u8a08\u753b\u3057\u3066\u3044\u308b\u7d44\u7e54\u306f\u3001\u516c\u958b\u7684\u306b\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u516c\u544a\u3059\u308b\u524d\u306b\u3001\u30a2\u30c9\u30ec\u30b9\u5272\u308a\u5f53\u3066\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u69cb\u9020\u304a\u3088\u3073\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u8981\u4ef6\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u516c\u958bIP\u30a2\u30c9\u30ec\u30b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d1\u30d6\u30ea\u30c3\u30afIP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5168\u4f53\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u304d\u308b\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002\u3053\u308c\u306fWeb\u30b5\u30fc\u30d0\u30fc\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3001VPN\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3001\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u3092\u8b58\u5225\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e6\u30fc\u30b6\u30fc\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u3068\u304d\u3001\u305d\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d6\u30ea\u30c3\u30afIP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u74b0\u5883\u306b\u5230\u9054\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u4f01\u696d\u306f\u3001\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3001\u5916\u90e8API\u3001DNS\u30b5\u30fc\u30d3\u30b9\u3001\u307e\u305f\u306f\u7570\u306a\u308b\u30b5\u30a4\u30c8\u9593\u306e\u63a5\u7d9a\u306b\u30d1\u30d6\u30ea\u30c3\u30af\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u516c\u958b\u30a2\u30c9\u30ec\u30b9\u306f\u6ce8\u610f\u6df1\u304f\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u95a2\u4fc2\u306e\u306a\u30442\u3064\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u7af6\u5408\u3092\u5f15\u304d\u8d77\u3053\u3055\u305a\u306b\u3001\u540c\u3058\u516c\u958b\u30a2\u30c9\u30ec\u30b9\u3092\u540c\u6642\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u901a\u5e38\u3067\u304d\u307e\u305b\u3093\u3002\u516c\u958b\u30a2\u30c9\u30ec\u30b9\u30ea\u30bd\u30fc\u30b9\u306f\u3001\u5730\u57df\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u767b\u9332\u6a5f\u95a2\u304a\u3088\u3073\u305d\u306e\u4f1a\u54e1\u3001\u652f\u63f4\u56e3\u4f53\u307e\u305f\u306f\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d1\u30d6\u30ea\u30c3\u30afIP\u30a2\u30c9\u30ec\u30b9\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u305d\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u30ea\u30b9\u30c8\u3001\u30dd\u30fc\u30c8\u5236\u9650\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a\u306a\u3069\u306b\u3088\u308a\u3001\u63a5\u7d9a\u304c\u8a31\u53ef\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u30d1\u30d6\u30ea\u30c3\u30af\u30a2\u30c9\u30ec\u30b9\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5236\u5fa1\u306e\u91cd\u8981\u6027\u3092\u9ad8\u3081\u307e\u3059\u304c\u3001\u30a2\u30c9\u30ec\u30b9\u305d\u306e\u3082\u306e\u304c\u30c7\u30d0\u30a4\u30b9\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u516c\u958b\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u72ec\u81ea\u306e\u30d1\u30d6\u30ea\u30c3\u30afIPv4\u307e\u305f\u306fIPv6\u30ea\u30bd\u30fc\u30b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u7d44\u7e54\u306f\u3001\u30b9\u30dd\u30f3\u30b5\u30ea\u30f3\u30b0LIR\u3092\u4f7f\u7528\u3057\u3001\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u8cc3\u8cb8\u3057\u3001\u5272\u308a\u5f53\u3066\u3092\u8981\u6c42\u3059\u308b\u304b\u3001\u307e\u305f\u306f\u5fc5\u8981\u306a\u8981\u4ef6\u3068\u9069\u7528\u53ef\u80fd\u306a\u30dd\u30ea\u30b7\u30fc\u306b\u5fdc\u3058\u3066\u79fb\u7ba1\u3092\u5b8c\u4e86\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u30a2\u30c9\u30ec\u30b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Private IP addresses are used inside local or private networks. They are not normally routed directly across the public Internet. Common private IPv4 ranges include <code>10.0.0.0\/8<\/code>, <code>172.16.0.0\/12<\/code> \u304a\u3088\u3073 <code>192.168.0.0\/16<\/code>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30db\u30fc\u30e0\u30eb\u30fc\u30bf\u30fc\u306f\u3001\u4f8b\u3048\u3070\u6b21\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059 <code>192.168.1.20<\/code> 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class=\"wp-block-paragraph\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306f\u3001IP\u60c5\u5831\u3068\u30d6\u30e9\u30a6\u30b6\u30c7\u30fc\u30bf\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u60c5\u5831\u3001\u30af\u30c3\u30ad\u30fc\u3001\u305d\u306e\u4ed6\u306e\u30b7\u30b0\u30ca\u30eb\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u3060\u3051\u3067\u306f\u3001\u901a\u5e38\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ec\u30d9\u30eb\u3067\u306e\u5e83\u7bc4\u306a\u6307\u793a\u306b\u904e\u304e\u307e\u305b\u3093\u3002\u500b\u4eba\u306e\u540d\u524d\u3084\u6b63\u78ba\u306a\u81ea\u5b85\u306e\u4f4f\u6240\u3092\u81ea\u52d5\u7684\u306b\u660e\u3089\u304b\u306b\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u516c\u958b\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u7ba1\u7406\u3059\u308b\u7d44\u7e54\u306f\u3001\u767b\u9332\u30c7\u30fc\u30bf\u3084\u30b8\u30aa\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u7b2c\u4e09\u8005\u306b\u3088\u3063\u3066\u4f7f\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u5fd8\u308c\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u767b\u9332\u60c5\u5831\u3001\u4e0d\u6b63\u5229\u7528\u9023\u7d61\u5148\u304a\u3088\u3073\u9006DNS\u60c5\u5831\u306e\u6b63\u78ba\u3055\u3092\u4fdd\u3064\u3053\u3068\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u610f\u56f3\u3055\u308c\u305f\u7528\u9014\u306b\u95a2\u3059\u308b\u6df7\u4e71\u3092\u6e1b\u3089\u3059\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f01\u696d\u306f\u30d1\u30d6\u30ea\u30c3\u30afIP\u30a2\u30c9\u30ec\u30b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u7406\u7531\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f01\u696d\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3001VPN\u30b5\u30fc\u30d3\u30b9\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3001DNS\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3001\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3001\u30af\u30e9\u30a6\u30c9\u63a5\u7d9a\u304a\u3088\u3073BGP\u30a2\u30ce\u30f3\u30b9\u306b\u30d1\u30d6\u30ea\u30c3\u30afIP\u30a2\u30c9\u30ec\u30b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3067\u904b\u7528\u3059\u308b\u4f01\u696d\u306f\u3001\u8907\u6570\u306e\u5834\u6240\u304b\u3089\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u5ba3\u4f1d\u3067\u304d\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u8907\u6570\u306e\u4e0a\u6d41\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5834\u5408\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30dd\u30ea\u30b7\u30fc\u3092\u5236\u5fa1\u3057\u3001\u8010\u969c\u5bb3\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u72ec\u81ea\u306eASN\u3068\u516c\u958b\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u90e8\u306e\u4f01\u696d\u3067\u306f\u3001\u5927\u898f\u6a21\u306a\u72ec\u7acb\u3057\u305f\u5272\u308a\u5f53\u3066\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u56f0\u96e3\u307e\u305f\u306f\u9ad8\u4fa1\u3067\u3042\u308b\u305f\u3081\u3001IPv4\u30a2\u30c9\u30ec\u30b9\u3092\u30ea\u30fc\u30b9\u3057\u3066\u3044\u307e\u3059\u3002\u4ed6\u306e\u4f01\u696d\u3067\u306f\u3001\u9577\u671f\u7684\u306a\u6210\u9577\u3084\u73fe\u4ee3\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306bIPv6\u306e\u5272\u308a\u5f53\u3066\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u9069\u5207\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30e2\u30c7\u30eb\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u3068\u306e\u95a2\u4fc2\u304a\u3088\u3073\u898f\u5236\u8981\u4ef6\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u516c\u958b\u30ea\u30bd\u30fc\u30b9\u306f\u614e\u91cd\u306b\u7ba1\u7406\u3055\u308c\u308b\u3079\u304d\u3067\u3059\u3002IPv4\u30d6\u30ed\u30c3\u30af\u307e\u305f\u306fIPv6\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u627f\u8afe\u3059\u308b\u524d\u306b\u3001\u7d44\u7e54\u306f\u767b\u9332\u60c5\u5831\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5c65\u6b74\u3001\u8a55\u4fa1\u30b7\u30b0\u30ca\u30eb\u304a\u3088\u3073\u8a8d\u8a3c\u8a18\u9332\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <a href=\"https:\/\/junglelabs.uk\/ja\/ip-resource-readiness-checker\/\">IP\u30ea\u30bd\u30fc\u30b9\u6e96\u5099\u72b6\u6cc1\u30c1\u30a7\u30c3\u30af<\/a> can be used as an initial technical review for a public IPv4 or IPv6 prefix.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IP\u30a2\u30c9\u30ec\u30b9\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u30a2\u30c9\u30ec\u30b9\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4e00\u90e8\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u653b\u6483\u8005\u306f\u3001\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u30a2\u30c9\u30ec\u30b9\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u3066\u3001\u9732\u51fa\u3057\u305f\u30b5\u30fc\u30d3\u30b9\u3001\u53e4\u304f\u306a\u3063\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3001\u307e\u305f\u306f\u5f31\u3044\u8a8d\u8a3c\u3092\u691c\u51fa\u3057\u3088\u3046\u3068\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u9069\u5207\u306a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u4fdd\u8b77\u3055\u308c\u3001\u4e88\u671f\u3057\u306a\u3044\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u5bfe\u3057\u3066\u76e3\u8996\u3055\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672a\u4f7f\u7528\u306e\u30dd\u30fc\u30c8\u3092\u9589\u3058\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u9069\u7528\u3057\u3001\u5f37\u529b\u306a\u8a8d\u8a3c\u3092\u4f7f\u7528\u3057\u3001\u6a5f\u5bc6\u60c5\u5831\u3092\u6697\u53f7\u5316\u3059\u308b\u3002\u30a2\u30af\u30bb\u30b9\u306f\u5b9f\u969b\u306b\u5fc5\u8981\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304a\u3088\u3073\u30e6\u30fc\u30b6\u30fc\u306b\u9650\u5b9a\u3055\u308c\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u516c\u958bIP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u9069\u5207\u306aID\u304a\u3088\u3073\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u4ee3\u7528\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u3079\u304d\u3067\u306f\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u306e\u4fe1\u983c\u6027\u306f\u5225\u306e\u904b\u7528\u4e0a\u306e\u8003\u616e\u4e8b\u9805\u3067\u3059\u3002\u30a2\u30c9\u30ec\u30b9\u304c\u30b9\u30d1\u30e0\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u3001\u4e0d\u6b63\u884c\u70ba\u307e\u305f\u306f\u7591\u308f\u3057\u3044\u6d3b\u52d5\u306e\u5c65\u6b74\u3092\u6301\u3064\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u96fb\u5b50\u30e1\u30fc\u30eb\u914d\u4fe1\u3001\u5e83\u544a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3001\u8a50\u6b3a\u30b7\u30b9\u30c6\u30e0\u304a\u3088\u3073\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u516c\u958b\u30a2\u30c9\u30ec\u30b9\u3092\u5c55\u958b\u3059\u308b\u524d\u306b\u3001\u4f01\u696d\u306f\u767b\u9332\u60c5\u5831\u304a\u3088\u3073\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u4fe1\u983c\u6027\u30c1\u30a7\u30c3\u30af\u3082\u5b9f\u65bd\u3059\u3079\u304d\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RPKI\u306f\u3001\u3069\u306eASN\u304c\u63a5\u982d\u8f9e\u3092\u8d77\u6e90\u3068\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u691c\u8a3c\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u304c\u3001\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u60aa\u7528\u5c65\u6b74\u304b\u3089\u89e3\u653e\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u4fe1\u983c\u7ba1\u7406\u306f\u7570\u306a\u308b\u554f\u984c\u3092\u89e3\u6c7a\u3057\u3001\u305d\u308c\u305e\u308c\u5225\u306b\u30ec\u30d3\u30e5\u30fc\u3055\u308c\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">IP\u30a2\u30c9\u30ec\u30b9\u306fMAC\u30a2\u30c9\u30ec\u30b9\u3068\u540c\u3058\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3044\u3044\u3048\u3002IP\u30a2\u30c9\u30ec\u30b9\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3067\u52d5\u4f5c\u3057\u3001\u7570\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u3067\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002MAC\u30a2\u30c9\u30ec\u30b9\u306f\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30b0\u30e1\u30f3\u30c8\u5185\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u8b58\u5225\u3057\u307e\u3059\u3002\u30eb\u30fc\u30bf\u30fc\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u3067\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u79fb\u52d5\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3001\u30b9\u30a4\u30c3\u30c1\u306f\u901a\u5e38\u3001\u30ed\u30fc\u30ab\u30eb\u914d\u4fe1\u306bMAC\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u540c\u3058IP\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u30642\u53f0\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3067\u540c\u3058\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u7af6\u5408\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u7570\u306a\u308b\u72ec\u7acb\u3057\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u518d\u5229\u7528\u3067\u304d\u307e\u3059\u304c\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u30a2\u30c9\u30ec\u30b9\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u306e\u7af6\u5408\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30eb\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3059\u308b\u3068IP\u30a2\u30c9\u30ec\u30b9\u306f\u5909\u66f4\u3055\u308c\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u52d5\u7684\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u5272\u308a\u5f53\u3066\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9759\u7684\u30a2\u30c9\u30ec\u30b9\u307e\u305f\u306f\u4e88\u7d04\u6e08\u307fDHCP\u30a2\u30c9\u30ec\u30b9\u306e\u65b9\u304c\u3001\u540c\u3058\u307e\u307e\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u6b63\u78ba\u306a\u78ba\u8a8d\u65b9\u6cd5\u306f\u3001\u518d\u8d77\u52d5\u306e\u524d\u5f8c\u3067\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u304b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u76f8\u8ac7\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">IPv6\u306f\u3059\u3050\u306bIPv4\u3092\u7f6e\u304d\u63db\u3048\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3044\u3044\u3048\u3002IPv4\u3068IPv6\u306f\u5f15\u304d\u7d9a\u304d\u4e00\u7dd2\u306b\u52d5\u4f5c\u3057\u7d9a\u3051\u307e\u3059\u3002\u591a\u304f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u30c7\u30e5\u30a2\u30eb\u30b9\u30bf\u30c3\u30af\u306e\u5c55\u958b\u3001\u7ffb\u8a33\u30b5\u30fc\u30d3\u30b9\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u79fb\u884c\u6280\u8853\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002IPv6\u306e\u5c0e\u5165\u306f\u5897\u52a0\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u79fb\u884c\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u304a\u3088\u3073\u30d3\u30b8\u30cd\u30b9\u4e0a\u306e\u8981\u4ef6\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 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class=\"wp-block-heading\">\u30d1\u30d6\u30ea\u30c3\u30afIP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u79c1\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3092\u8ab0\u306b\u3067\u3082\u898b\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5fc5\u305a\u3057\u3082\u305d\u3046\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30eb\u30fc\u30bf\u30fc\u306e\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u308a\u3001\u7740\u4fe1\u63a5\u7d9a\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u30a2\u30c9\u30ec\u30b9\u306f\u691c\u51fa\u304a\u3088\u3073\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u610f\u56f3\u7684\u306b\u516c\u958b\u30b5\u30fc\u30d3\u30b9\u3092\u30db\u30b9\u30c8\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3067\u3082\u3001\u4fdd\u8b77\u3068\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>An IP address is a numerical label assigned to a device or network interface that uses the Internet Protocol. Its main purpose is to identify a destination or source for network communication. When data moves across a network, it is divided into smaller units called packets. Each packet contains information about where it came from and where it needs to go. IP addresses help routers forward these packets through the network. The destination address tells the network where the packet should ultimately arrive, while the source address identifies the sender from a networking perspective. An IP address can be assigned to many different types of equipment. A public website may [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1263,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"What Is an IP Address? 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