SmartThings does not make this information available to us, unfortunately, so there are no smartapps to do it.
You can add an additional device and map it that way. See the following:
As for zwave, it’s a similar situation. If you add an Aeon USB Z wave stick as a secondary controller you can then use tools to map it.
@duncan is working on a project to add more network maintenance tools for Z wave to SmartThings, so he would probably be interested in what specifically you would like to see.
I know for myself I’d just like a basic zwave network map: which devices are where, current optimal routings, signal strength, node status etc. Nothing fancy. It would also be nice to know which nodes are using secure messaging, which support beaming, and which are zwave plus, but I consider all of those optional. Basically show me the things I can’t just look up in the device specifications. 