The requested vessel with name ARITA and MMSI:0 and IMO:5373141 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
ARITA 9503574 352866000 SHIPYARD Dec 14, 2017 10:35 UTC
ARITA MARU N/A 431000234 >JP KSM NE Dec 09, 2017 07:57 UTC
ARITAMARU N/A 431002928 JP IMB Sep 06, 2017 06:30 UTC

Also, you may try to find the vessel in our comprehensive Vessels Database or track this ship on the map.