The requested vessel with name IRMAK 4 and MMSI:271042258 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
IRMAK-6 N/A 271040472 Mar 01, 2017 07:31 UTC

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