subnet-overlap

Node.js

Install

$ npm i subnet-overlap

const subnetOverlap = require('subnet-overlap')

Example

subnetOverlap(['172.22.2.0/24'], '172.22.2.0/24') // true
 
subnetOverlap(['172.22.2.0/24'], '172.22.3.0/24') // false

Browser

Example

<script src="subnetOverlap.js"></script>
<script>
    console.log(subnetOverlap(['172.22.2.0/24'], '172.22.2.0/24')) // true
</script> 

subnetOverlap

subnetOverlap(subnets, subnet)

• subnets: (Array) List of existing subnets
• subnet: (String) Subnet to check for overlap