What Is NAT?
Network Address Translation — how routers map private → public traffic.
Definition
NAT allows multiple internal devices to share a single public IP address.
Diagram
Private → NAT Router → Public Internet 192.168.1.50 → 73.22.x.x 192.168.1.51 → 73.22.x.x
Why It Matters
NAT improves security and preserves the limited IPv4 space.
≈·*•—[ A|S ]—•*·≈