The requested vessel with name RYUSHO MARU NO2 and MMSI:0 and IMO:5303184 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
RYUSHO MARU NO.1 9522582 431000698 ONODA Feb 23, 2018 06:53 UTC

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