An IP (Internet Protocol) address uniquely identifies a computer/server on the Internet.
Understanding IP Addresses
The IP address takes the form of a dotted-quad number, such as 18.104.22.168. No other computer/server on the same network or on the Internet can have the same IP address at the same time.
When we use domain names to access a website or online service, we are using a human readable shortcut which corresponds with the server's IP address. DNS servers on the Internet automatically translate domain names into IP addresses each time we use a domain name.
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