The requested vessel with name MATAHARI and MMSI:235018877 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
MATAHARI N/A 368000720 Jan 05, 2018 19:45 UTC
MATAHARI N/A 338130051 Sep 18, 2017 19:17 UTC
MATAHARI WAN N/A 563033560 Jan 22, 2018 13:33 UTC

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