The requested vessel with name BIRK B and MMSI:211540170 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
BIRK.B N/A 211087743 BERLIN Feb 24, 2018 11:51 UTC

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