Find out which table is using maximum tablespace

Which table is using maximum tablespace :- 

Run the below SQL :-

select sum(bytes)/1024/1024, s.segment_name, s.segment_type
    from dba_lobs l, dba_segments s
    where s.segment_type = 'LOBSEGMENT'
    and l.table_name = 'PS_PV_ATT_DB_SRV'
    and s.segment_name = l.segment_name
    group by s.segment_name,s.segment_type;