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

Public IP vs private IP is like a storefront vs the stockroom.

Customers (internet) only see the storefront (public IP). Employees (your devices) use the stockroom (private IP) to keep things running.

Why both? Efficiency and security. NAT is the manager making sure everything flows right.

For a quick test, compare your public IP (Google "what’s my IP") to your device’s IP (check network settings).