The requested vessel with name SADENT and MMSI:0 and IMO:7725544 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
SADENT 8313960 325509000 ALANG Feb 11, 2013 22:52 UTC

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