The requested vessel with name HEARTBREAKER and MMSI:235062213 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
HEARTBREAKER N/A 367681840 Jul 24, 2017 00:17 UTC

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