The requested vessel with name RIO CARONI and MMSI:0 and IMO:5295698 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
RIO CARONI 9586722 538004235 JOSE VENEZUELA Oct 24, 2017 04:24 UTC
RIO CARONI 7155880 773982424 BOCAGRANDE Mar 02, 2017 08:51 UTC

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