/usr/include/dune/grid/utility/ is in libdune-grid-dev 2.3.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/dune/grid/utility/entitycommhelper.hh
/usr/include/dune/grid/utility/grapedataioformattypes.hh
/usr/include/dune/grid/utility/gridinfo-gmsh-main.hh
/usr/include/dune/grid/utility/gridinfo.hh
/usr/include/dune/grid/utility/gridtype.hh
/usr/include/dune/grid/utility/hierarchicsearch.hh
/usr/include/dune/grid/utility/hostgridaccess.hh
/usr/include/dune/grid/utility/persistentcontainer.hh
/usr/include/dune/grid/utility/persistentcontainerinterface.hh
/usr/include/dune/grid/utility/persistentcontainermap.hh
/usr/include/dune/grid/utility/persistentcontainervector.hh
/usr/include/dune/grid/utility/persistentcontainerwrapper.hh
/usr/include/dune/grid/utility/structuredgridfactory.hh
/usr/include/dune/grid/utility/vertexorderfactory.hh