The requested vessel with name BALKAN and MMSI:0 and IMO:7427374 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
BALKAN 9358890 256600000 BEANR Dec 16, 2017 09:58 UTC
BALKAN 1 9481908 518100381 TUZLA Dec 16, 2017 20:19 UTC
BALKAN I N/A 249995000 Sep 11, 2017 11:50 UTC

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