range_check

This is a simple module to validate IP address, check ip address version, check if ip is within a range.

npm install range_check
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Range Check v0.0.4

This is a simple module to validate IP address, check ip address version, check if IP is within a range.

Setup

To set up Range Check on your Node.js server use npm.

npm install range_check

Check if IP is valid

var range_check = require('range_check');
console.log(range_check.valid_ip('10.0.1.5')); //returns true or false

Check IP version

var range_check = require('range_check');
console.log(range_check.ver('10.0.1.5')); //returns 4
console.log(range_check.ver('2001:4860:8006::62')); //returns 6

Check within range

var range_check = require('range_check');
console.log(range_check.in_range('10.0.1.5', '10.0.0.0/8')); //returns true

console.log(range_check.in_range('192.0.1.5', '10.0.0.0/8')); //returns false

console.log(range_check.in_range('2001:db8:1234::1', '2001:db8::/32')); //returns true

You can also give a list of ranges

var range_check = require('range_check');
console.log(range_check.in_range('192.168.1.1', ['10.0.0.0/8', '192.0.0.0/8'])); //returns true

Dependencies

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