Every device that connects to a network, including your iPhone, uses an IP address (short for Internet Protocol address) to communicate with other devices and access the internet. Think of an IP ...

Knowing your IP address can help protect your home network and data from prying eyes. Here's how to find it. Trey Paul was a CNET senior editor covering broadband. His 20+ years of experience as a ...

Every wireless printer has an IP address—a 12-digit number that connects it to your computer through your wifi network. Knowing this identifier allows you to troubleshoot connection issues and link up ...