Find out what object still in block ...

Find the file_id from dba_data_files ...
sql> select file_id from dba_data_files
where file_name = '"/ora/data/blprod/jupiterd_m01.dbf";

then

sql> SELECT SEGMENT_NAME, SEGMENT_TYPE
FROM DBA_EXTENTS
WHERE FILE_ID = #fromabove
AND 72193 BETWEEN block_id AND block_id + blocks;

HTH
Gregg