/usr/lib/ is in libmozilla-ldap-perl 1.5.3-2+b1.
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/perl5/5.20/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Mozilla/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Mozilla/LDAP/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Mozilla/LDAP/API/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Mozilla/LDAP/API/autosplit.ix
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Mozilla/LDAP/API/API.so
/usr/lib/x86_64-linux-gnu/perl5/5.20/Mozilla/
/usr/lib/x86_64-linux-gnu/perl5/5.20/Mozilla/LDAP/
/usr/lib/x86_64-linux-gnu/perl5/5.20/Mozilla/LDAP/LDIF.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/Mozilla/LDAP/Entry.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/Mozilla/LDAP/Utils.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/Mozilla/LDAP/Conn.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/Mozilla/LDAP/API.pm