The requested vessel with name MONTROSE and MMSI:0 and IMO:5313787 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
MONTROSE 9223813 212728000 VOUDHIA Dec 12, 2017 20:05 UTC
MONTROSE ALPHA N/A 232589000 Nov 02, 2017 21:48 UTC
MONTROSE MARINE II N/A 235098656 MAASSALUIS Dec 01, 2017 15:23 UTC

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