What 是 my IP address?
one click 的 Find your public IP address、see whether you have IPv4、IPv6、和 view your browser, system、connection details. Approximate location 和 provider are shown only if you ask.
Your address 是 read when this page 开口方向.
关于What 是 my IP address?
one click 的 Find your public IP address、see whether you have IPv4、IPv6、和 view your browser, system、connection details. Approximate location 和 provider are shown only if you ask.
属于 SmartCalcy“数据与网络”板块。它在你的浏览器中运行，无需账号，使用你自己的货币和单位（可在页面顶部更改），所给结果仅为估算、仅供参考，因此在依赖结果之前请查阅官方指引。
如何使用What 是 my IP address?
它计算什么，何时使用
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 或 give support your address.
使用步骤
- Open the page. Your address appears 直铺 away, with 无 至 type.
- Read your IPv4 和 “Your addresses”. “Not detected” 的 IPv6 addresses件IPv6 means your connection does not offer it.
- Press “Show approximate location 和 provider” if you want the city、国家／地区、provider.
- Press “Copy result” 至 copy your address, 或 “Check again” after switching a VPN 或 network.
各输入项的含义
- 无 至 enter – The address 是 read 从 your connection when the page 开口方向.
- Check again – Repeats the lookup after you 变化 网络, turn a VPN on 或 off, 或 move from Wi-Fi 至 mobile data.
- 显示 approximate location 和 provider – Optional. Sends your address 至 a third-party lookup service only when you press it.
如何阅读结果
- Your public IP address – The address your connection presents 至 the internet, shown as IPv4 或 IPv6.
- IPv4 和 IPv6 address – Both versions, when your 网络 supports them.
- Browser 和 device – Browser、operating system, 语言, 时间 区间, screen 大小、connection type as your browser reports them.
- Approximate location 和 provider – City、region, 国家／地区、internet provider件the address, if requested.
公式
No calculation. An IPv4 address 是 four numbers from 0 至 255 separated by dots,件example 203.0.113.25, which 是 a 32-bit number. An IPv6 address 是 eight groups of hexadecimal digits separated by colons, a 128-bit number. About 4.3 billion IPv4 addresses exist, which 是 why most homes share one.
计算示例
A laptop on 首页 Wi-Fi shows 203.0.113.25 as its public IPv4 address、和 the same address appears件the phone、TV on that network. The laptop’s local address、such as 192.168.1.20, 是 private、is not shown 至 websites. After turning on a VPN 和 pressing “Check again”, the page shows the VPN server’s address instead.
假设与局限
- The address shown 是 the one the page’s server 或 lookup service receives. Behind a VPN, proxy 或 office network it 是 that gateway’s address.
- Location 是 estimated from address databases 和 is often only accurate 至 the city 或 region, 和 sometimes wrong.
- Browser 详情 are what your browser reports 和 can be changed by privacy settings 或 extensions.
常见错误
- Confusing the public address with the private one such as 192.168.x.x, which only works inside your 首页 或 office 网络.
- Expecting the location 至 be your street address. It usually points 至 your provider’s nearest hub.
- Forgetting 至 press “Check again” after switching a VPN, so you still see the old address.
- Blocking the lookup with a content blocker 和 reading “could not be found” as a fault.
常见问题
What 是 an IP address?
An Internet Protocol address 是 a number that identifies a connection on the internet, so replies 至 your requests come back 至 the right place. It works like a postal address件数据.
What 是 the difference between a public 和 a private IP address?
A public IP address 是 the one your provider gives your connection 和 websites can see. A private address、such as 192.168.1.20, identifies a device inside your home 或 office network、is not visible on the internet. Your router translates between them.
What 是 the difference between IPv4 和 IPv6?
IPv4 uses 32-bit addresses written as four 数字, 和 the supply 是 第 hexadecimal, with a practically unlimited supply. Many connections have bo 次. 的 nearly exhausted. IPv6 uses 128-bit addresses written
Why does my IP address 显示 a different 国家／地区 或 city?
Location 是 guessed from databases that map address ranges 至 another town, 的 providers. Providers often route traffic through a hub 和 a VPN 或 another country. 的 mobile network can place you
罐 someone 求 my 首页 address 从 my IP address?
No. An IP address alone reveals roughly your region 和 provider、not your street. Only your provider can link it 至 your account,、normally only on a legal request.
Does a VPN 变化 my IP address?
是. While the VPN 是 connected, websites see the VPN server’s address instead yours. Press “Check again” 至 confirm.
How 操作 I 变化 my public IP address?
Restarting your router 罐 give you a new address if your provider assigns them dynamically. A VPN, a different 网络 或 mobile data also changes it. A static address needs a request 至 your provider.
How 操作 I 求 my private IP address on 窗户, Mac 或 a phone?
Command Prompt. On macOS open System Settings 的 On Windows run ipconfig、网络、choose your connection. On a phone open the Wi-Fi settings 和 tap your network. The private address differs from the public one shown on this page.
Is my IP address static 或 dynamic?
Most home connections have a dynamic address that can change when your router restarts 或 your provider reassigns it. Businesses often pay件a static address that does not 变化.
Does this page store my IP address?
No. The address 是 shown 至 you 和 your browser 的 is not saved 或 on this page.