Most routers will have a page somewhere in the admin pages to either directly check on connected devices or at least to check the current DHCP leases which will tell you the same information.
I don't think you can do that. You CAN view network connections being picked up locally, including your own. Whether you can access and use depends if they are protected by password, and that's all you need to do with yours - security enable it. Do that and no-one can use it except you
Most routers will have a page somewhere in the admin pages to either directly check on connected devices or at least to check the current DHCP leases which will tell you the same information.
Sorry, we can't find any related questions. Try using the search bar at the top of the page to search for some keywords, or choose a topic and submit your own question.