# ip address

CEFR B1 · Noun

Source: https://englishreference.com/word/ip-address
Updated: 2026-07-31

## Definition

Stands for Internet Protocol address. A unique set of numbers used to identify a computer or device when it is connected to the internet.

For teachers: Abbreviation for Internet Protocol address. A unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.

## Examples

- The technician asked for my router's IP address.
- Your IP address reveals your general location to websites but does not usually give away your exact home address.
- To improve security, some companies use dynamic systems that rotate the IP address of a server periodically to prevent targeted attacks based on a static identifier.

## Usage notes

- Commonly written in lowercase or uppercase; plural is usually 'IP addresses'.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.