The requested vessel with name DIOMID and MMSI:0 and IMO:6801298 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
DIOMID N/A 264163057 MIDIA Oct 09, 2017 12:21 UTC
DIOMID 8714683 273332440 VLADIVOSTOK Sep 12, 2017 09:24 UTC
DIOMIDIS 9696527 636016499 ABIDJAN Oct 20, 2017 20:44 UTC

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