IP address

American  

noun

Computers.

1. a code that identifies a computer network or a particular computer or other device on a network, consisting of four numbers separated by periods.

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IP address British  

noun

1. computing internet protocol address: the numeric code that identifies all computers that are connected to the internet

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IP address Scientific  

1. The numerical sequence that serves as an identifier for an Internet server. An IP address appears as a series of four groups of numbers separated by dots. The first group is a number between 1 and 255 and the other groups are a number between 0 and 255, such as 192.135.174.1. Every server has its own unique address.

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Example Sentences

This defense has borne fruit in other Strike 3 cases, in which defendants successfully argued simply having an IP address that was used to infringe wasn’t enough to prove they committed the infringements.

From Los Angeles Times • Jun. 18, 2026

As for the website you accessed, it can only see the VPN server’s IP address, so it cannot uniquely identify you.

From Salon • Jun. 2, 2026

“A native TV app tells you the device type, session length, IP address, and even the context of what was watched before and after. Casting gives them none of that.”

From Slate • May 3, 2026

I clicked the page above to check on my own IP address at home, and the page reported “Observed Risks: unknown.”

From The Wall Street Journal • Apr. 3, 2026

I always paid in cash, so my machine ID was as untraceable as my IP address, which was changing all the time.

From "Burning Blue" by Paul Griffin