Zend certified PHP/Magento developer

I have an unknown device connected to my wifi and the only info it gives me is this mac adress f2:9c:10:eb:24:0b and i dont get any hitslooking it up

This mac adress is the only information I can get off of this unknown device connected to my wifi.Ive look up this mac adress and its not linked to any device. Can someone please help figure out what or who is connected to my wifi