Perhaps I am being harsh on Big G here. But is there a better way to do this? Could an app request a list of all BT/WiFi devices starting with the first few dig

Perhaps I am being harsh on Big G here. But is there a better way to do this? Could an app request a list of all BT/WiFi devices starting with the first few digits of a MAC? In this case, the remote wants to know if it is near the receiver. It doesn't want to search all devices - just to know if it is near a specific group.