The requested vessel with name DEDETAS and MMSI:271010082 and IMO:0 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
DEDETAS 1 9604641 271043854 IZMIT Feb 14, 2018 04:54 UTC
DEDETAS-1 N/A 271010638 Jun 11, 2016 14:30 UTC

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