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Public vs Private IP
Comparison card: Public vs Private IP. Easy English, with a real example. Scan the QR for the full lesson.
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What this card says
What each one is
Public IP: reachable on the internet.
Private IP: used inside a home or office, like 192.168.x.x, not on the internet.
How they differ
Public is unique worldwide.
Private is reused in many networks, hidden behind the router.
Example
Your router has one public IP; your laptop and phone use private IPs behind it.
Why it matters
In logs, one public IP can mean a whole office, not one person.
Learn more in the lesson: 1.7 Public vs Private IP (RFC 1918)