The requested vessel with name SEFER and MMSI:0 and IMO:5317422 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
SEFER GARIP N/A 271041094 Dec 12, 2017 02:49 UTC
SEFER KAPTAN-1 N/A 271042945 Oct 21, 2017 15:24 UTC
SEFERBABA N/A 271072305 Apr 07, 2016 03:14 UTC
SEFERINO N/A 235093928 Oct 21, 2017 11:30 UTC

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