Gets a list of devices on the network and their MAC addressess Depending upon the address ranges the call can take a long time, so be patient.
nmap must be installed and the installed location must be added to the system PATH variable.
To install npm install nmap-js
var nmap = require('nmap-js');
var addresses = [
'192.168.1.0/24' //nmap target specification https://nmap.org/book/man-target-specification.html
];
nmap.getDevices(addresses, function(devices) {
for (var item of devices) {
console.log(JSON.stringify(item));
}
console.log("done");
}, function(error) {
console.log(error);
});