Routers usually only show Tx/Rx rates for wireless clients. This is because the rate changes for wireless clients depending on where they are and how good their signal is. This doesn't apply to wired clients because the Tx/Rx will be same for all of them (unless you have some kind of cable fault).
Also, you don't really need to blank out your internal IP addresses. These are private addresses and they are not routable across the internet. Most people will have the same range of IPs as you
(the external IP address of your router is another matter, that's also the one your internet provider will likely charge you to fix)
Have you checked for a wireless client isolation setting on your router? It can cause this type of issue e.g. for Denon Heos ...
https://support.denon.com/app/answers/detail/a_id/3746/~/wireless,-ap-or-client-isolation