What Is an IP Address?Īn IP address uniquely identifies a device on a network. We’re not going to be covering some of the more advanced, or professional, level stuff, like IP classes, classless routing, and custom subnetting…but we will point to some sources for further reading as we go along. Note: We’re going to be covering the basics of IP addressing in this article, the kind of stuff that people who use IP addresses, but never really thought much about them, might want to know. And, if you ever need to set up something a little more advanced-like hosting a game server or media server to which friends from the internet can connect-you’ll need to know something about IP addressing. Why should you care? Well, understanding how IP addresses work is vital if you ever want to troubleshoot why your network isn’t working right, or why a particular device isn’t connecting the way you’d expect it to. RELATED: 8 Common Network Utilities Explained But, if you’ve ever wanted to dive a little deeper into what those numbers mean, this article is for you. When we do have to deal with them, we often just follow instructions about what numbers to put where. Most of the time, we don’t have to deal with them directly, since our devices and networks take care of that stuff behind the scenes.
If you’ve worked with computers for any amount of time, you’ve likely been exposed to IP addresses-those numerical sequences that look something like 192.168.0.15. In the world of TCP/IP networking, that identifier is the Internet Protocol (IP) address.
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Every device connected to a network-computer, tablet, camera, whatever-needs a unique identifier so that other devices know how to reach it.
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