IP addresses 172.17.x.x cannot be reached from outside our network, and that's how it's supposed to work, right? I'm in a nasty argument with one of my customers, and one of us is acting like a total ...

IP addresses are like opinions… everyone has one. But not every IP address is created equal. Some IP addresses are dynamic, which means they automatically change, based on router settings. Also: ...

The internet relies on a system of addresses that treats every computer, tablet and smartphone as a distinct device, allowing all of them to communicate with each other. Because many kinds of devices ...

How to find a hostname via public IP address? In order to find the hostname of a computer with a public IP address, you have to pass the address to the Domain Name System (DNS) server. Here are the ...

An IP address is a way for every device on a network to be seen. Without IP addresses, it would be impossible for those devices to be located. Think of your computer's IP address like your house's ...