From Youtube.com to Your Screen: How Routers Route Web Traffic

TL;DR AI
2 min readKey summary
A simple explainer shows how a home router uses DNS to turn a domain name into an IP address.
It then uses NAT to translate multiple private local IPs into one public IP for internet access.
The router keeps a NAT table so returning traffic goes back to the right device on the home network.
The piece helps beginners understand how one household can share a single public address without mixing up replies.
