/usr/lib/perl5/Ace/ is in libace-perl 1.92-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/perl5/Ace/Browser/
/usr/lib/perl5/Ace/Browser/AceSubs.pm
/usr/lib/perl5/Ace/Browser/GeneSubs.pm
/usr/lib/perl5/Ace/Browser/LocalSiteDefs.pm
/usr/lib/perl5/Ace/Browser/SearchSubs.pm
/usr/lib/perl5/Ace/Browser/SiteDefs.pm
/usr/lib/perl5/Ace/Browser/TreeSubs.pm
/usr/lib/perl5/Ace/Freesubs.pm
/usr/lib/perl5/Ace/Graphics/
/usr/lib/perl5/Ace/Graphics/Fk.pm
/usr/lib/perl5/Ace/Graphics/Glyph/
/usr/lib/perl5/Ace/Graphics/Glyph.pm
/usr/lib/perl5/Ace/Graphics/Glyph/anchored_arrow.pm
/usr/lib/perl5/Ace/Graphics/Glyph/arrow.pm
/usr/lib/perl5/Ace/Graphics/Glyph/box.pm
/usr/lib/perl5/Ace/Graphics/Glyph/crossbox.pm
/usr/lib/perl5/Ace/Graphics/Glyph/dot.pm
/usr/lib/perl5/Ace/Graphics/Glyph/ex.pm
/usr/lib/perl5/Ace/Graphics/Glyph/graded_segments.pm
/usr/lib/perl5/Ace/Graphics/Glyph/group.pm
/usr/lib/perl5/Ace/Graphics/Glyph/line.pm
/usr/lib/perl5/Ace/Graphics/Glyph/primers.pm
/usr/lib/perl5/Ace/Graphics/Glyph/segments.pm
/usr/lib/perl5/Ace/Graphics/Glyph/span.pm
/usr/lib/perl5/Ace/Graphics/Glyph/toomany.pm
/usr/lib/perl5/Ace/Graphics/Glyph/transcript.pm
/usr/lib/perl5/Ace/Graphics/Glyph/triangle.pm
/usr/lib/perl5/Ace/Graphics/GlyphFactory.pm
/usr/lib/perl5/Ace/Graphics/Panel.pm
/usr/lib/perl5/Ace/Graphics/Track.pm
/usr/lib/perl5/Ace/Iterator.pm
/usr/lib/perl5/Ace/Local.pm
/usr/lib/perl5/Ace/Model.pm
/usr/lib/perl5/Ace/Object/
/usr/lib/perl5/Ace/Object.pm
/usr/lib/perl5/Ace/Object/Wormbase.pm
/usr/lib/perl5/Ace/RPC.pm
/usr/lib/perl5/Ace/Sequence/
/usr/lib/perl5/Ace/Sequence.pm
/usr/lib/perl5/Ace/Sequence/Feature.pm
/usr/lib/perl5/Ace/Sequence/FeatureList.pm
/usr/lib/perl5/Ace/Sequence/GappedAlignment.pm
/usr/lib/perl5/Ace/Sequence/Gene.pm
/usr/lib/perl5/Ace/Sequence/Homol.pm
/usr/lib/perl5/Ace/Sequence/Multi.pm
/usr/lib/perl5/Ace/Sequence/Transcript.pm
/usr/lib/perl5/Ace/SocketServer.pm