The requested vessel with name DANDY00 and MMSI:409600020 and IMO:0 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
DANDY N/A 211645140 Aug 14, 2016 10:24 UTC
DANDY SIX N/A 248653000 Jan 24, 2018 14:22 UTC

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