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 ...

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 ...

I have a user who's machine is not pingable on our network, using computer hostname or associated IP. However, in troubleshooting this, I see that the IP the machine actually has does not resolve to ...

Often when you're working on a computer, you need to connect to other computers to run software or check data on them. This could involve connecting to a business server used by your work team or ...

Every computer connected to the Internet has a unique Internet Protocol (IP) address that identifies the device to other computers, allowing the user to browse the Web and access other online services ...

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