SmartCalcy.毎日の計算にすぐ答え
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データとネットワーク

Whatはmy IP address?です

one clickのFind your public IP address、see whether you have IPv4、IPv6、とview your browser, system、connection details. Approximate locationとprovider are shown only if you ask.

Your addressはread when this page グラフの向き.です

Whatはmy IP address?ですについて

one clickのFind your public IP address、see whether you have IPv4、IPv6、とview your browser, system、connection details. Approximate locationとprovider are shown only if you ask.

SmartCalcyの「データとネットワーク」セクションの一部です。アカウント不要でブラウザ上で動作し、お使いの通貨と単位(ページ上部で変更可)を使います。結果は参考用の目安なので、頼る前に公的な情報をご確認ください。

Whatはmy IP address?ですの使い方

何を計算するか、いつ使うか

Shows the public IP address that websites see when you connect、both IPv4、IPv6 if you have them、together with your browser, operating system, language, time zone、connection type. An optional lookup adds the approximate city、country、internet provider. Use it to check a VPN, set up remote access, whitelist yourself on a firewallまたはgive support your address.

使い方の手順

  1. Open the page. Your address appears 直張り away, with なし〜type.
  2. Read your IPv4と“Your addresses”. “Not detected”のIPv6 addresses個でIPv6 means your connection does not offer it.
  3. Press “Show approximate locationとprovider” if you want the city、国・地域、provider.
  4. Press “Copy result”〜copy your address,または“Check again” after switching a VPNまたはnetwork.

各入力項目の意味

  • なし〜enter – The addressはread 開始 your connection when the page グラフの向き.です
  • Check again – Repeats the lookup after you 変動 ネットワーク, turn a VPN onまたはoff,またはmove from Wi-Fi〜mobile data.
  • 表示内容 approximate locationとprovider – Optional. Sends your address〜a third-party lookup service only when you press it.

結果の読み方

  • Your public IP address – The address your connection presents〜the internet, shown as IPv4またはIPv6.
  • IPv4とIPv6 address – Both versions, when your ネットワーク supports them.
  • Browserとdevice – Browser、operating system, 言語, 時刻 ゾーン, screen サイズ、connection type as your browser reports them.
  • Approximate locationとprovider – City、region, 国・地域、internet provider個でthe address, if requested.

計算式

No calculation. An IPv4 addressはfour numbers from 0〜255 separated by dots,です個でexample 203.0.113.25, whichはa 32-bit number. An IPv6 addressはeight groups of hexadecimal digits separated by colons, a 128-bit number. About 4.3 billion IPv4 addresses exist, whichはwhy most homes share one.ですですです

計算例

A laptop on ホーム Wi-Fi shows 203.0.113.25 as its public IPv4 address、とthe same address appears個でthe phone、TV on that network. The laptop’s local address、such as 192.168.1.20,はprivateです、is not shown〜websites. After turning on a VPNとpressing “Check again”, the page shows the VPN server’s address instead.

前提と限界

  • The address shownはthe one the page’s serverまたはlookup service receives. Behind a VPN, proxyまたはoffice network itはthat gateway’s address.ですです
  • Locationはestimated from address databasesですとis often only accurate〜the cityまたはregion,とsometimes wrong.
  • Browser 詳細 are what your browser reportsとcan be changed by privacy settingsまたはextensions.

よくある間違い

  • Confusing the public address with the private one such as 192.168.x.x, which only works inside your ホームまたはoffice ネットワーク.
  • Expecting the location〜be your street address. It usually points〜your provider’s nearest hub.
  • Forgetting〜press “Check again” after switching a VPN, so you still see the old address.
  • Blocking the lookup with a content blockerとreading “could not be found” as a fault.

よくある質問

Whatはan IP address?です

An Internet Protocol addressはa number that identifies a connection on the internet, so replies〜your requests come back〜the right place. It works like a postal addressです個でデータ.

Whatはthe difference between a publicですとa private IP address?

A public IP addressはthe one your provider gives your connectionですとwebsites can see. A private address、such as 192.168.1.20, identifies a device inside your homeまたはoffice network、is not visible on the internet. Your router translates between them.

Whatはthe difference between IPv4ですとIPv6?

IPv4 uses 32-bit addresses written as four 数値,とthe supplyはhexadecimal, with a practically unlimited supply. Many connections have bo乗.のnearly exhausted. IPv6 uses 128-bit addresses writtenです

Why does my IP address 表示内容 a different 国・地域またはcity?

Locationはguessed from databases that map address ranges〜another town,のproviders. Providers often route traffic through a hubですとa VPNまたはanother country.のmobile network can place you

缶 someone 求めるもの my ホーム address 開始 my IP address?

No. An IP address alone reveals roughly your regionとprovider、not your street. Only your provider can link it〜your account,、normally only on a legal request.

Does a VPN 変動 my IP address?

はい. While the VPNはyours. Press “Check again”〜confirm. connected, websites see the VPN server’s address insteadです

How 操作 I 変動 my public IP address?

Restarting your router 缶 give you a new address if your provider assigns them dynamically. A VPN, a different ネットワークまたはmobile data also changes it. A static address needs a request〜your provider.

How 操作 I 求めるもの my private IP address on 窓, Macまたはa phone?

Command Prompt. On macOS open System SettingsのOn Windows run ipconfig、ネットワーク、choose your connection. On a phone open the Wi-Fi settingsとtap your network. The private address differs from the public one shown on this page.

Is my IP address staticまたはdynamic?

Most home connections have a dynamic address that can change when your router restartsまたはyour provider reassigns it. Businesses often pay個でa static address that does not 変動.

Does this page store my IP address?

No. The addressはshown〜youですとyour browserのis not savedまたはon this page.

関連ツール

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