source: trip-planner-front/node_modules/internal-ip/readme.md@ 76712b2

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1# internal-ip [![Build Status](https://travis-ci.org/sindresorhus/internal-ip.svg?branch=master)](https://travis-ci.org/sindresorhus/internal-ip)
2
3> Get your internal IP address
4
5
6## Install
7
8```
9$ npm install internal-ip
10```
11
12
13## Usage
14
15```js
16const internalIp = require('internal-ip');
17
18(async () => {
19 console.log(await internalIp.v6());
20 //=> 'fe80::1'
21
22 console.log(await internalIp.v4());
23 //=> '10.0.0.79'
24})();
25
26console.log(internalIp.v6.sync())
27//=> 'fe80::1'
28
29console.log(internalIp.v4.sync())
30//=> '10.0.0.79'
31```
32
33The 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.
34
35The 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.
36
37
38## Related
39
40- [internal-ip-cli](https://github.com/sindresorhus/internal-ip-cli) - CLI for this module
41- [public-ip](https://github.com/sindresorhus/public-ip) - Get your public IP address
42- [default-gateway](https://github.com/silverwind/default-gateway) - Get your default gateway address
43
44
45## License
46
47MIT © [Sindre Sorhus](https://sindresorhus.com)
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