The requested vessel with name MUDYUG and MMSI:0 and IMO:6810342 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
MUDYUG 8009181 273910100 S.PETERSBURG Dec 12, 2017 01:37 UTC

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