The requested vessel with name MERAG and MMSI:0 and IMO:5301447 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
MERAG 8626020 422531000 BUSHEHR Dec 14, 2017 07:43 UTC

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