/usr/include/ is in libgupnp-1.0-dev 0.18.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/gupnp-1.0/
/usr/include/gupnp-1.0/libgupnp/
/usr/include/gupnp-1.0/libgupnp/gupnp-types.h
/usr/include/gupnp-1.0/libgupnp/gupnp-device.h
/usr/include/gupnp-1.0/libgupnp/gupnp-root-device.h
/usr/include/gupnp-1.0/libgupnp/gupnp-device-info.h
/usr/include/gupnp-1.0/libgupnp/gupnp-xml-doc.h
/usr/include/gupnp-1.0/libgupnp/gupnp.h
/usr/include/gupnp-1.0/libgupnp/gupnp-service-introspection.h
/usr/include/gupnp-1.0/libgupnp/gupnp-resource-factory.h
/usr/include/gupnp-1.0/libgupnp/gupnp-control-point.h
/usr/include/gupnp-1.0/libgupnp/gupnp-device-proxy.h
/usr/include/gupnp-1.0/libgupnp/gupnp-error.h
/usr/include/gupnp-1.0/libgupnp/gupnp-context.h
/usr/include/gupnp-1.0/libgupnp/gupnp-service-proxy.h
/usr/include/gupnp-1.0/libgupnp/gupnp-service.h
/usr/include/gupnp-1.0/libgupnp/gupnp-context-manager.h
/usr/include/gupnp-1.0/libgupnp/gupnp-service-info.h