there are non public ip addresses and the tor team spends quite some time fighting the big firewall in various ways.<p>talk from the 23c3 about tor and china:
<a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=P6A7jLpL3Rs" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=P6A7jLpL3Rs</a>