Every machine on the the Internet has a unique number assigned to it, called an IP address. Without a unique IP address on your machine, you will not be able to communicate with other devices, users, ...

The majority of the time, we have no idea what the IP addresses of our devices are. You don't need to know that your phone has an IP address of 192.168.1.12 on your local network in order to use it.

Breaks down the five IP address classes in order to explain how they manipulate TCP/IP protocol functionality Before two or more computers can communicate with each other, a set of rules has to be in ...

Add Yahoo as a preferred source to see more of our stories on Google. If you know the IP address, enter it on ARIN WHOIS to view ownership. To find an IP address, open Command Prompt and enter: ping ...