The requested vessel with name GOLUB and MMSI:0 and IMO:7041895 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
GOLUBAC N/A 279202618 Dec 29, 2017 11:26 UTC

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