/usr/lib/ is in libanyevent-perl 7.140-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.26/
/usr/lib/x86_64-linux-gnu/perl5/5.26/AE.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/DNS.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Debug.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/FAQ.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Handle.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/IO/
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/IO/IOAIO.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/IO/Perl.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/IO.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/Cocoa.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/EV.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/Event.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/EventLib.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/FLTK.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/Glib.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/IOAsync.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/Irssi.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/POE.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/Perl.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/Qt.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/Tk.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Impl/UV.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Intro.pod
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Log.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Loop.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Socket.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Strict.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/TLS.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Util/
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Util/idna.pl
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Util/uts46data.pl
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/Util.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent/constants.pl
/usr/lib/x86_64-linux-gnu/perl5/5.26/AnyEvent.pm