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There are already over 20 Tor relay operators (>200 relays, > 10% exit capacity) that make use of the
tor ContactInfo information sharing specification (CIISS) to get some group wide graphs generated for their relays:
https://nusenu.github.io/OrNetStats/index.html#verified-operator-domains
Bellow is shown a sample graph by one of them:
Server run by the main developers of the project 
It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!
@nusenu appreciate your work, thank you