Online servers has been shut down last year. There is a notice on our gamecard:
'MULTIPLAYER NOTICE: Online servers shut down as of the 6th of October, 2015. Multiplayer is available only through a LAN connection.'

Here you can find official Ubi statement:
http://forums.ubi.com/showthread.php/1241617-Why-can-I-no-longer-connect-to-Multiplayer-in-this-game?p=10959069