The requested vessel with name CAT B and MMSI:211170810 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
CAT BALLOU N/A 367760070 Feb 04, 2018 22:27 UTC
CAT BALLOU N/A 367062240 Nov 20, 2017 19:09 UTC
CAT BALLOU N/A 265760270 Oct 14, 2017 12:43 UTC
CATABELLA N/A 232012749 Jan 21, 2018 10:49 UTC

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