The requested vessel with name CHOKYU MARU NO25 and MMSI:0 and IMO:7395820 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
CHOKYU MARU NO.1 9648403 432856000 FISHING GROUND Oct 02, 2017 14:08 UTC
CHOKYU MARU NO.2 N/A 431602240 Jul 09, 2017 07:11 UTC
CHOKYU MARU NO.21 9167784 431022000 FISHING GROUND Sep 27, 2017 03:19 UTC
CHOKYU MARU NO.35 9279953 432411000 YAIZU JAPAN Apr 15, 2017 08:02 UTC
CHOKYU MARU NO.8 N/A 431853000 SHIMIZU JAP Jun 30, 2017 04:44 UTC

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