http://www.computerchess.org.uk/ccrl/404FRC/ (FRC 40/4)
Please note that the three lists are updated separately to each other. The 40/40 and 40/4 lists are updated once every two weeks and alternately to each other. The FRC list is updated when a new engine or engine version is being/has been tested.
The links given in each update report will give you the currently up to date lists.