"robtex is a software developer which was founded in 1989 developing all kinds of software. in recent years main focus has been on Internet related software. currently the most popular has been free tools like rbls.org and network explorer. those tools are now merged closer and is called "robtex swiss army knife". we are redesigning the homepage and are presenting the old tools and products as well as some new ones. only a few are linked today. stay tuned for update!"
They have this clever little IP widget which they offer free to webmasters ...
There a bunch of other useful stuff there too like finding out who else is sharing the same IP address used by your site. If you see site names such as "asiananalangels.com" or "88spammingserives.com" maybe you should think about using a different hoster! Unless they are also your sites, of course!
