Why do all my home devices share one public IP?

Your router uses NAT to translate many private addresses (192.168.x.x) to one public IP on the WAN side. Websites see that single public IP for outbound connections from your home.

Does NAT hide my devices from the internet?

NAT blocks unsolicited inbound connections by default. Outbound browsing still uses your shared public IP, which IP checkers display.

Blog · Networking

NAT and your public IP

NAT (Network Address Translation) lets your whole house use one public IP from your ISP while each phone and laptop keeps a private IP inside the LAN. The address you see on What Is My IP Address IP is that shared public IP.

More: Public vs private IP · Devices on same Wi‑Fi