@cityssm/is-private-network-address

Determines whether or not a network address is a private or internal.

Usage no npm install needed!

<script type="module">
  import cityssmIsPrivateNetworkAddress from 'https://cdn.skypack.dev/@cityssm/is-private-network-address';
</script>

README

is-private-network-address

Determines whether or not a network address is a private or internal.

Supports all Reserved IP Addresses used for private networks.

Installation

npm install @cityssm/is-private-network-address

Usage

import { isLocal, isPrivate } from "@cityssm/is-private-network-address";

/* Test Local IPs */

console.log(isLocal("127.0.0.1"));
// => true

console.log(isLocal("::1"));
// => true

console.log(isLocal("12.34.56.78"));
// => false

/* Test Private IPs */

console.log(isPrivate("10.0.100.100"));
// => true

console.log(isPrivate("192.168.2.1"));
// => true