Banned IP proxy address?

[UnOwN]

In 1 forum on internet when I go to that forum it says: "Error
You are banned. You may not
view the forums, post, make
new topics, send U2U's or edit
your posts."

I am not loggen in, I cleared all cache and cookies.

I tried UC browser and it works, but on opera mini it doesn't (except on opera mini 3.2).

So I figured out it is about proxy.
I tested online and seen that uc browser doesn't use any proxy.

So probably they have banned my newer version opera mini proxy.

I tried using online proxy to hide my ip...and it works! But when i want to register and enter captcha image codes...there is no image...it doesn't show!