📖 Basics
What is a MAC Address?
The complete beginner's guide to MAC addresses — what they are, how they work, and why every network device has one.
beginnernetworkingHow to Find Your MAC Address
Step-by-step instructions for finding your MAC address on Windows, macOS, Linux, iOS, and Android.
beginnerhow-toMAC Address vs IP Address
What's the difference between a MAC address and an IP address? When each one matters, and how they work together.
beginnernetworkingUnderstanding OUI & IEEE Registration
How the first three bytes of a MAC address identify the manufacturer, and how the IEEE OUI registry works.
intermediatereference🔒 Privacy & Security
What is MAC Address Randomization?
How modern devices protect your privacy by randomizing their MAC address on Wi-Fi networks, and what it means for you.
privacysecurityWhat is MAC Address Spoofing?
How MAC spoofing works, legitimate uses vs malicious uses, and how network admins can detect it.
securityintermediateMAC Address Privacy Tips
Practical steps to protect your privacy through MAC address management on all your devices.
privacyhow-to⚡ Advanced Topics
What is MACsec? (IEEE 802.1AE)
A deep dive into MACsec — Layer 2 encryption that secures Ethernet frames hop-by-hop. How it works, where it's used, and how to deploy it.
advancedsecurityencryption