66.240.130.105 - - [01/Aug/2003:10:55:45 +0200] "GET /odplistedone HTTP/1.1" 301 252 www.-net "-" "Zibie Spider 0.1 Java/1.4.2" "-"
66.240.130.105 - - [01/Aug/2003:10:55:45 +0200] "GET /odplistedone/ HTTP/1.1" 200 2302 www.-.net "-" "Zibie Spider 0.1 Java/1.4.2" "-"
nslookup returns some obviously porn page (no, I did not visit it)
RewriteCond %{HTTP_USER_AGENT} Java [NC,OR]
will fix it.