Somebody has spammed a wiki, a blog, or a guestbook with links to the domain
51web.cn.
Most probably, somebody did this to increase
the page rank for this domain
on Google and other search engines.
The domain 51web.cn is listed in our database with the following keywords:
"虚拟主机".
More information
If you want to find out more about the problem, please visit our page about link spam.