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# internal-ip [](https://travis-ci.org/sindresorhus/internal-ip)
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> Get your internal IP address
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## Install
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```
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$ npm install internal-ip
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```
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## Usage
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```js
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const internalIp = require('internal-ip');
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(async () => {
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console.log(await internalIp.v6());
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//=> 'fe80::1'
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console.log(await internalIp.v4());
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//=> '10.0.0.79'
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})();
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console.log(internalIp.v6.sync())
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//=> 'fe80::1'
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console.log(internalIp.v4.sync())
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//=> '10.0.0.79'
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```
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The module returns the address of the internet-facing interface, as determined from the default gateway. When the address cannot be determined for any reason, `null` will be returned.
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The module relies on operating systems tools. On Linux and Android, the `ip` command must be available, which depending on distribution might not be installed by default. It is usually provided by the `iproute2` package.
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## Related
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- [internal-ip-cli](https://github.com/sindresorhus/internal-ip-cli) - CLI for this module
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- [public-ip](https://github.com/sindresorhus/public-ip) - Get your public IP address
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- [default-gateway](https://github.com/silverwind/default-gateway) - Get your default gateway address
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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