The requested vessel with name OHSHIMA MARU and MMSI:0 and IMO:7121229 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
OHSHIMA MARU 9135406 431832000 JP MIK Feb 23, 2018 01:25 UTC

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