The requested vessel with name BWANA and MMSI:235052971 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
BWANA N/A 244130085 Nov 06, 2017 10:09 UTC

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