getBroadcastAddresses() {
		const list = [];
		const interfaces = os.networkInterfaces();
		for (let iface in interfaces) {
			for (let i in interfaces[iface]) {
				const f = interfaces[iface][i];
				if (f.family === "IPv4") {
					list.push(ipaddr.IPv4.broadcastAddressFromCIDR(f.cidr).toString());
				}
			}
		}
		return list;
	}
Get IPv4 broadcast addresses for all interfaces

@returns {Array<String>}
@memberof UdpServer