The requested vessel with name ISOLDA and MMSI:0 and IMO:5165142 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
ISOLDA 9180360 212797000 CASABLANCA Feb 22, 2018 17:34 UTC
ISOLDA II N/A 701006478 Feb 04, 2018 00:24 UTC
ISOLDANA 9186235 563550000 LAS PALMAS Feb 22, 2018 17:29 UTC

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