The requested vessel with name VRIJBUITER and MMSI:244750568 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
VRIJBUITER N/A 244780888 Feb 21, 2018 19:37 UTC
VRIJBUITER N/A 244270882 Oct 08, 2017 11:24 UTC
VRIJBUITER N/A 244140850 Sep 19, 2017 12:27 UTC
VRIJBUITER N/A 244615641 Aug 26, 2017 08:54 UTC

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