Traceroute is a command which can show you the path a packet of information takes from your computer to another computer that you specify. It will list all the routers it passes through until it reaches its destination, or fails to and is discarded. In addition to this, it will also tell you how long each 'hop' in it's path from router to router actually takes.
How to Use the Traceroute Command
In Windows, select Start / All Programs / Accessories / Command Prompt. This will give you a window like the one below.
Enter the word tracert, followed by a space, then the domain name.
Note: Domains you can test on include:
After you enter the command and the domain, press Enter to perform the Trace Route.