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IP Address Basics
Everything you need to know about IP addresses — from fundamentals to advanced concepts. What they are, how they work, and why they matter.
Beginner
3 articles
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What Is an IP Address?
Learn what IP addresses are, how they work, and why every device on the internet needs one.
5 min readPublic vs Private IP Addresses
Understand the difference between public and private IPs, RFC 1918 ranges, and how NAT connects them.
5 min readHow to Find Your IP Address
Step-by-step instructions to find your public and private IP on Windows, Mac, Linux, and mobile.
4 min read