The requested vessel with name SAMARKAND and MMSI:0 and IMO:5308639 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
SAMARKAND N/A 205258490 ANVERS Feb 20, 2018 12:54 UTC
SAMARKAND N/A 211539690 Oct 10, 2017 14:58 UTC
SAMARKAND N/A 271041322 Aug 21, 2017 03:52 UTC

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