The requested vessel with name NORBJORN and MMSI:0 and IMO:5254864 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
NORBJORN 9197404 257785000 BARENTSBURG Dec 09, 2017 19:11 UTC

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