The requested vessel with name GAVROCHE and MMSI:235029136 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
GAVROCHE N/A 226007390 Feb 24, 2018 10:28 UTC
GAVROCHE 1ER N/A 227140770 Jun 12, 2017 14:35 UTC

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