The requested vessel with name SOFIA ISABEL and MMSI:263407471 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
SOFIA ISABEL N/A 603100184 Jan 23, 2018 17:51 UTC
SOFIA ISABEL N/A 263407470 Jan 06, 2017 15:45 UTC

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