The requested vessel with name ZLY81588 and MMSI:200008911 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
ZLY21293/03 N/A 212930003 C May 06, 2016 20:34 UTC
ZLY21394-1 N/A 488000043 Oct 16, 2016 19:43 UTC
ZLY21928-5 N/A 327046548 Oct 20, 2016 16:51 UTC
ZLYYUN60011 N/A 477660011 39 B# Sep 30, 2017 12:32 UTC

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