@chainsafe/netmask

Zero dependency typescript implementation for using netmasks with both ipv4 and ipv6. Heavily inspired by go implementation.

Features

• IPv4 and IPv6 support
• Zero dependencies
• Typescript support

How to use

npm i -s @chainsafe/netmask

or yarn add @chainsafe/netmask

Example usage:

import {cidrContains, networkMaskContains} from "@chainsafe/netmask"

cidrContains("192.168.0.1/24", "192.168.0.16")
cidrContains("2001:db8::/128", "2001:db8::")
networkMaskContains("192.168.0.1", "255.255.255.0", "192.168.0.16")

Quick start

1. yarn
2. yarn run build
3. yarn run test