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

Library of useful functions related to IP

import { fromLong } from './FromLong';
import { broadcastAddress } from './BroadcastAddress';
import { toLong } from './ToLong';
export function lastHost(subnet) {
    let broadcastLong = broadcastAddress(subnet);
    return fromLong(toLong(broadcastLong) - 1);
}