The requested vessel with name REZOVAR and MMSI:244584608 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
REZOVAR N/A 244690521 Feb 25, 2018 15:41 UTC

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