If your company network is having problems and you need to troubleshoot it, you also need to know some basic information about the computers on the network. Internet Protocol is the underlying ...

Your computer's IP address, the string of numbers used to identify your computer online, can be found in Windows easily. You usually don't need to know your IP address, and it's usually assigned ...

If you're troubleshooting some network problems in your office and some computers are connected to a router, you may need the IP address of each computer, its primary DNS server and the default router ...

Billions of computers are linked through the Internet. And with so many devices communicating and exchanging information, each one needs to have a unique identifier so that the right information ...

Knowing your IP address can help protect your home network and data from prying eyes. Here's how to find it. Trey Paul was a CNET senior editor covering broadband. His 20+ years of experience as a ...

Tired of being the only wireless network in your apartment building without a clever name like “Wu-tang LAN” or “Bill Wi the Science Fi”? Or maybe you want to make your network password more secure so ...

You’ve heard about it before: an unknown online assailant has been inundating someone in your town with bothersome messages. Luckily, even though that person’s profile may be devoid of identifying ...

Learn how the internet works with a simple guide on DNS, IP addresses, and routing—explained clearly to show how online ...