Awhile ago Tor blocked relays from running on Amazon AWS (after there was an attach that originated from Amazon-hosted nodes). Google GCE was also blocked. See this thread about it from last year when I tried to run a node on google's cloud: https://lists.torproject.org/pipermail/tor-relays/2015-August/007681.html

On Sat, Oct 1, 2016 at 1:16 PM, nusenu <nusenu@openmailbox.org> wrote:

> Tor on amazon is not allowed anymore :(

That statement is rather generic, and I
doubt it

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