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:
@nusenu appreciate your work, thank you