eviltik / cidr-clean

Merge CIDRs list, cleanup, and handle overlaps

cidr-clean

---

What for ?

Clean an array of CIDR

• remove duplicates
• remove comments
• remove bad CIDRs
• remove extra spaces
• choose the heaviest network in case of overlap

Installation

$ npm install cidr-clean

Usage

const cidrClean = require('cidr-clean');

let list = [
    '#mycomment',
    '10.1.2.0/23',
    '110.1.3.248/30',
    '1.2.3.4/10'
];

console.log(cidrClean(list));

# output: ['10.1.2.0/23', '110.1.3.248/30', '1.2.3.4/10'];

# note, you can cidrClean(list1, list2) for merging 2 cidr lists

Todo

• optional callback with all events (remove, overlap)