Public IP vs Private IP: What's the Difference and Why Does It Matter? or Public IP vs Private IP: Wh

Public IPs are like phone numbers listed in a directory. Private IPs are like extensions in an office.

You don’t wanna give every device a public IP—it’s expensive and risky. Private IPs let your router handle internal stuff safely.

"Safer" because outsiders can’t see private IPs directly. Your router masks them using NAT.

Try pinging `192.168.1.1` (common private IP for routers) to see how local traffic works.