The requested vessel with name PONTIAC and MMSI:0 and IMO:5281958 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
PONTIAC N/A 244660959 VLISSINGEN DORPEN Feb 22, 2018 13:17 UTC
PONTIAC N/A 367690830 Sep 22, 2017 18:30 UTC

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