svn returning Access Denied

[Joseph F Shobe]

I've been doing some research and using your SVN repository.  I have limited myself to just performing 'svn log' and 'svn ls' requests.
 
However, as of late, I am no longer able to to perform this function from a server located at Wichita State University with an IP address of 156.26.10.10 (hostname is penang.cs.wichita.edu).  Has this IP address been blocked?  If so, I was not aware of any behavior that would take this course of action so is it possible to regain access?
 
Thanks,
Joe Shobe
Grad Student - Computer Science