[tor-relays] Advantage in more exits in the same /8?

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Hey everyone,

I run some relays and an exit in a university setting. The nodes are in the same /8 block and are physically close to one another as well. Is there any advantage in turning one of the relays into another exit? This is something that my ISP would be agreeable to, but I'm also pondering the effects on the Tor network as a whole.

It seems to me that too many nodes under the same ISP is problematic because it concentrates too much traffic in the same AS, but on the other hand, Tor could use more exits. More importantly, how many is too many nodes in the same /8, or in the same /16? Where would you draw the line?

- -- Jesse V.