Information passed to web server by your web browser

x-cc-id: ccc03-02
If-Modified-Since: Fri, 02 Apr 2010 14:17:10 GMT
Host: show-ip.net
User-Agent: CCBot/1.0 (+http://www.commoncrawl.org/bot.html)
Accept: text/html,application/xhtml+xml,text/xml;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Connection: close
Cache-Control: no-cache
Pragma: no-cache

Conclusions based on information above: proxy not detected
( This is very basic proxy detection based solely on browserinfo )