/usr/lib/ is in libnet-jabber-loudmouth-perl 0.07-2build2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/perl5/
/usr/lib/perl5/Net/
/usr/lib/perl5/Net/Jabber/
/usr/lib/perl5/Net/Jabber/Loudmouth/
/usr/lib/perl5/Net/Jabber/Loudmouth/Install/
/usr/lib/perl5/Net/Jabber/Loudmouth/Install/loudmouth.typemap
/usr/lib/perl5/Net/Jabber/Loudmouth/Install/loudmouth-autogen.h
/usr/lib/perl5/Net/Jabber/Loudmouth/Connection.pod
/usr/lib/perl5/Net/Jabber/Loudmouth/Proxy.pod
/usr/lib/perl5/Net/Jabber/Loudmouth/MessageNode.pod
/usr/lib/perl5/Net/Jabber/Loudmouth/MessageHandler.pod
/usr/lib/perl5/Net/Jabber/Loudmouth/Message.pod
/usr/lib/perl5/Net/Jabber/Loudmouth/SSL.pod
/usr/lib/perl5/Net/Jabber/Loudmouth/index.pod
/usr/lib/perl5/Net/Jabber/Loudmouth.pm
/usr/lib/perl5/auto/
/usr/lib/perl5/auto/Net/
/usr/lib/perl5/auto/Net/Jabber/
/usr/lib/perl5/auto/Net/Jabber/Loudmouth/
/usr/lib/perl5/auto/Net/Jabber/Loudmouth/Loudmouth.so
/usr/lib/perl5/auto/Net/Jabber/Loudmouth/Loudmouth.bs