why does the subversion.tigris.org website block my IP?

For the past two months, or possibly longer, I have not been able to
browse the subversion.tigris.org website. At first I thought it might
have been a misconfiguration of the webserver, but by now I have tried
it from other IP numbers and it works fine from those.

Who should I contact about getting my IP re-enabled for browse access?

Thanks in advance.

PS: The error message is:
Forbidden

You don't have permission to access /servlets/ProjectHome on this server.
Apache/2.0.50 (Unix) mod_ssl/2.0.50 OpenSSL/0.9.7a DAV/2 mod_choke/0.1
mod_auth_mda/2.0 mod_jk/1.2.0 SVN/1.1.1 mod_auth_svn/0.1 Server at
subversion.tigris.org Port 80

PPS: I am on irc at freenode.net as BigBear if you want to contact me to
resolve this issue.

-- 
Urs Rau						
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