The requested vessel with name MORYAK and MMSI:0 and IMO:7517301 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
MORYAK 8881266 511101000 KAVKAZ Nov 29, 2017 11:28 UTC

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