/usr/ is in libalien-wxwidgets-perl 0.69+dfsg-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/usr/lib/
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.26/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Alien/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Alien/wxWidgets/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Alien/wxWidgets/Config/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Alien/wxWidgets/Config/gtk_3_0_4_uni_gcc_3_4.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Alien/wxWidgets/Utility.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Alien/wxWidgets.pm
/usr/share/
/usr/share/doc/
/usr/share/doc/libalien-wxwidgets-perl/
/usr/share/doc/libalien-wxwidgets-perl/README.Debian
/usr/share/doc/libalien-wxwidgets-perl/changelog.Debian.gz
/usr/share/doc/libalien-wxwidgets-perl/copyright
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/libalien-wxwidgets-perl
/usr/share/man/
/usr/share/man/man3/
/usr/share/man/man3/Alien::wxWidgets.3pm.gz
/usr/share/man/man3/Alien::wxWidgets::Utility.3pm.gz