Log on to the router (it'll be along the lines of 192.168.1.1) and you will be able to find what is connected to the network. If you are unsure of the ip address for your router, post the make and model here and I'll find it for you.
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
This poetic animation about monsters is illustrated in a Van Gogh painterly style
Apple predictions 2017
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.