Have you tried power cycling the modem? Also can you pull an ipconfig /all from an elevated command prompt.
Click Start icon, in the search field type cmd, under Programs you will see cmd (little black box icon) right click on it and select Run as Administrator.
In the command prompt type ipconfig /all press enter. Next right click in the command prompt and select "Select All" press enter. Come back here and paste the results.
Click Start icon, in the search field type cmd, under Programs you will see cmd (little black box icon) right click on it and select Run as Administrator.
In the command prompt type ipconfig /all press enter. Next right click in the command prompt and select "Select All" press enter. Come back here and paste the results.