The requested vessel with name HALIBUT ANN and MMSI:470787800 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
HALIBUT ANN N/A 470472000 DUBAI CANAL Feb 12, 2018 08:31 UTC

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