The requested vessel with name LADY SOVEREIGN and MMSI:0 and IMO:7127223 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
LADY SOVEREIGN II N/A 367579130 Sep 29, 2017 10:23 UTC

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