Is What's My IP / Browser Info free to use?

Yes, What's My IP / Browser Info is completely free. No registration, no account, and no hidden costs — ever.

Is my data safe when using What's My IP / Browser Info?

All processing happens directly in your browser. Your data never leaves your device — nothing is uploaded or stored on our servers.

No. All CheckTown tools work instantly without registration or sign-up.

What's My IP / Browser Info works on any device — desktop, tablet, or phone. The interface adapts to your screen size.

查看您的公网 IP 地址以及详细的浏览器、屏幕和系统信息

公网 IPv4

正在检测…

公网 IPv6

正在检测…

Ctrl+Enter 运行Ctrl+Shift+C 复制

了解你的 IP 地址会透露哪些信息、如何查看它，以及网站能看到哪些浏览器信息。

什么是 IP 地址?

IP 地址(互联网协议地址)是分配给每一台联网设备的数字标识。它有两个作用:在网络中标识主机,以及为流量路由提供主机的位置信息。每当你访问一个网站时,你的 IP 地址都会被共享给该服务器。