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 Oct 20, 2017 05:09 UTC
SEFER KAPTAN-1 N/A 271042945 Jul 30, 2017 16:43 UTC
SEFERBABA N/A 271072305 Apr 07, 2016 03:14 UTC
SEFERINO N/A 235093928 Oct 20, 2017 05:28 UTC

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