The requested vessel with name SHOHO MARU and MMSI:0 and IMO:6617350 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
SHOHO MARU 9330173 431800677 JP OIP OFF Feb 24, 2018 15:07 UTC
SHOHO MARU NO.3 9073490 431400211 >JP MIZ/OFF Feb 24, 2018 14:57 UTC

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