Roku: How to Locate MAC Address Posted on January 26, 2016 by Mitch Bartlett Leave a Comment If MAC address filtering is employed on your router, you may need to know how to locate the MAC address on your Roku 4 video player. Here’s how you can locate it. From the Home screen, select “Settings“. Select “About“. The “Wireless MAC address” will be displayed on the screen. If you use a wired connection, you’ll be interested in the “Ethernet MAC address“.