Every device that connects to the Internet has its own Internet Protocol (IP) address. IP addresses make it possible, among other things, for computers from different networks to find each other. IP ...

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 ...

Let's begin our discussion of TCP/IP by using an example network composed of a small office containing five computers that are connected to the Internet using a router. TCP/IP networks are built using ...