The requested vessel with name MUNAKATA MARU and MMSI:0 and IMO:5243578 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
MUNAKATA MARU NO.25 9036569 511061000 AN PING Jan 22, 2018 16:45 UTC

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