Get MAC address of all machines in the network

The quickest way to scan your network through Angry IP Scanner.

Use  "Angry IP Scanner" to scan.
Download it from:
http://www.angryziber.com/ipscan/download.php

Run ipscan.exe -> Goto the "Options" Menu -> Options -> Click on 'Only Alive' Option -> Click on OK & Save Button.
Add your Network IP range like 172.16.96.1 to 172.16.96.254 Click on Start

Run ipscan.exe -> Goto the "Options" Menu -> Options -> Click on 'Select scanned columns' button -> Move 'MAC Address' field to 'Selected Columns' list. -> Click OK -> Click on 'Only Alive' Option -> Click on OK & Save Button.

Any way to scan just the machines i want as scanning the ip range and later finding for what i want is difficult.