There are at present 2 devices connected to my home WiFi network, my laptop and my Raspberry Pi. The MAC address table on my router configuration page shows 2 clients connected but my DHCP client list show 4, ranging from 192.168.0.100-104. My laptop is 101 and my RPi is 103.
Have I been hacked and can't see the MAC address of the attacker or is it something other than that? I have a Tenda router.
P.S- I am also experiencing speed issues at random times.