The requested vessel with name DELTA POSEIDON and MMSI:0 and IMO:9468683 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
DELTA POSEIDON 9468671 241086000 VS GULF F.O Feb 19, 2018 02:48 UTC

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