That turned out to be a profitable search. A bug that suggested that there was a routing configuration issue in a .Net MVC app. I was looking for a way to troubleshoot the issue and I came across this: Glimpse
It really does provide wonderful instrumentation of many aspects of an Asp.Net application. I will try and provide some examples. For now just go to their site and have a look. Also have a look here.
Oh yes – it is available as a Nuget Package…