The requested vessel with name CARTE BLANCHE and MMSI:319018900 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
CARTE BLANCHE N/A 235069698 Feb 19, 2018 13:50 UTC
CARTE BLANCHE N/A 367374310 NASSAU Feb 14, 2018 15:08 UTC
CARTE BLANCHE N/A 503027490 Feb 24, 2017 14:42 UTC
CARTE BLANCHE OF HEL N/A 235036507 Dec 19, 2017 12:10 UTC
CARTE BLANCHE STTROP N/A 235101744 Feb 03, 2017 18:20 UTC

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