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Public vs Private IP Address

Home and office networks commonly use private addresses internally while a router presents a public IP address to the wider internet.

What is a public IP?

A public IP is the address used by a network when communicating with servers outside the local network.

What is a private IP?

A private IP is used inside a local network; common IPv4 ranges include 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.

How does NAT connect them?

NAT translates traffic between private addresses and a public address.

Live network results can depend on your connection and third-party data providers.