ip-utils/lib/module/esnext/Contains.js

Library of useful functions related to IP

import { toLong } from './ToLong';
import { networkAddress } from './NetworkAddress';
import { broadcastAddress } from './BroadcastAddress';
export function contains(network, ipaddress) {
    let firsAddress = toLong(networkAddress(network));
    let lastAddress = toLong(broadcastAddress(network));
    return (toLong(ipaddress) >= firsAddress) && (toLong(ipaddress) <= lastAddress);
}