What is an IP Address?
Learn the fundamentals of IP addressing — what they are, how they work, and why every device needs one to communicate on the internet.
IP Address Guides
Everything you need to know about IP addressing, from basics to advanced subnetting.
IPv4 vs IPv6: Key Differences
Understand the two versions of IP addresses, why we're running out of IPv4, and how IPv6 solves the address exhaustion problem.
Public vs Private IP Addresses
Learn the difference between public IPs (visible on the internet) and private IPs (used in local networks), and how NAT bridges them.
How to Find Your IP Address
Step-by-step instructions for finding your public and private IP address on Windows, Mac, Linux, iOS, and Android devices.
Understanding Subnets & CIDR
Learn how subnetting works, CIDR notation explained, subnet masks, and how to calculate network ranges for network administrators.
How IP Geolocation Works
Discover how websites determine your approximate location from your IP address, accuracy limitations, and privacy implications.