/usr/share/ipplan/admin/ is in ipplan 4.92a-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ipplan/admin/changepassword.php
/usr/share/ipplan/admin/deletebounds.php
/usr/share/ipplan/admin/displayauditlog.php
/usr/share/ipplan/admin/displayboundsform.php
/usr/share/ipplan/admin/exportbase.php
/usr/share/ipplan/admin/exportbaseform.php
/usr/share/ipplan/admin/exportip.php
/usr/share/ipplan/admin/exportipform.php
/usr/share/ipplan/admin/importbase.php
/usr/share/ipplan/admin/importbaseform.php
/usr/share/ipplan/admin/importip.php
/usr/share/ipplan/admin/importipform.php
/usr/share/ipplan/admin/install.php
/usr/share/ipplan/admin/maintenance.php
/usr/share/ipplan/admin/schemacreate.php
/usr/share/ipplan/admin/usermanager.php