[tor-talk] Is there a way to exclude tor nodes that have no country information?

[Damian Johnson]

> Try excluding {??}. That should do it for you.

I'm not entirely clear how Maxmind allocates the codes, but depending
on your goal you might want to also exclude {A1}, {A2}, and {O1}...
https://www.maxmind.com/app/iso3166