The requested vessel with name FUKUJU MARU NO6 and MMSI:0 and IMO:5123364 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
FUKUJU MARU NO.7 9047934 432515000 CRISTOBAL Sep 10, 2017 19:25 UTC
FUKUJU MARU NO78 9315587 432454000 SHIMIZU Aug 31, 2016 16:53 UTC

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