The requested vessel with name KOBRA and MMSI:0 and IMO:6860725 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
KOBRA N/A 273360660 Oct 01, 2017 06:04 UTC

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