well, without further ado i present to you the culprit of this nasty deed, it is not who i thought it was at first, for that im sorry mr. modem, so without further ado, i present to you the router
You'll probably want to follow Boggz advice and set a static IP - he can tell you more how to go about that . Finally, did you ever go through all the troubleshooting problems on the wippien guide? Darn hard to help you if I don't know what your OS is, or any of the other necessary stuff to recommend changes