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@chainsafe/netmask

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    • License MIT

    Typescript implementation of netmask filtering

    Package Exports

    • @chainsafe/netmask

    Readme

    @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