You can use the ipconfig command in the command prompt to determine your computer's IP address and other information. This utility is accessible in all versions of Windows past Windows 95, but you need to be logged in as an administrator to access it.Continue Reading
Open Task Manager by pressing Ctrl + Shift + Esc or Ctrl + Alt + Delete on the keyboard. Click File, then click Run New Task. In the dialog box, type "cmd" and press Enter. This opens the Windows command prompt.
The ipconfig command provides all the basic information about the computer's network connection. These include the MAC address hardwired into the network card, the IP address of the computer and the IP address of the router. Type "ipconfig /all" and press Enter. A list of information should appear.
The default gateway is the router your computer uses to connect to the Internet and the IP address that the Internet sees when your computer is connected. Different brands of routers have different IP addresses. For example, a Netgear router uses 192.168.0.1, and a Linksys router uses 192.168.1.1. Bear in mind that this address can be changed.