Think of public ip vs private ip like your home address vs your room number.
Public IP is your house address—unique, so the internet knows where to send stuff. Private IP is like your room number—only matters inside your house (your local network).
We need both cuz there aren’t enough public IPs for every device. Your router shares one public IP but gives private IPs to your phone, laptop, etc.
And yeah, private IPs are safer since they’re hidden from the outside. Your net works cuz the router translates between them (look up NAT if you’re curious).
Check out [ipconfig](https://www.lifewire.com/what-is-ipconfig-2625922) for Windows or `ifconfig` on Mac/Linux to see your private IP.
Public IP is your house address—unique, so the internet knows where to send stuff. Private IP is like your room number—only matters inside your house (your local network).
We need both cuz there aren’t enough public IPs for every device. Your router shares one public IP but gives private IPs to your phone, laptop, etc.
And yeah, private IPs are safer since they’re hidden from the outside. Your net works cuz the router translates between them (look up NAT if you’re curious).
Check out [ipconfig](https://www.lifewire.com/what-is-ipconfig-2625922) for Windows or `ifconfig` on Mac/Linux to see your private IP.