If you want to visualise what your Qubes network looks like, I’ve thrown together a simple viewer.
Probably only useful if you have something more complex than the default, but still fun.
You can mouse over qubes for information, highlight qubes, change names, and hide qubes, if you want to share a view.
Here’s what it looks like:
It’s intended to run on a management qube, but you could generate the data file in dom0, copy it in to a qube, and view it there.