Actually, the 140k Tor exit nodes, VPNs, and compromised proxy servers have been indexed.

It takes 24 minutes to compile these firewall rules, but the black-list along with tripwires have proven effective at banning game cheats. Example, dropping connections from TX with a hop-count and latency significantly different from their peers.

Preemptively banning all bad-reputation cloud IP ranges except whitelisted hosts has zero impact on clients. =3