I'm looking at our log files and am finding some very odd Asian-language referrers high up on the list. Here are some examples:

http://203.194.195.146/~ponykingco/bbs/viewthread.php
http://www.ponyking.com/bbs/viewthread.php
http://www.chunai.com/bbs/viewthread.php

Any idea what the heck these are and whether we should do anything?