The requested vessel with name FIRSTEC and MMSI:0 and IMO:7601451 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
FIRSTEC 9151242 477779300 INDONESIA/PONTIANAK Oct 13, 2017 11:45 UTC

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