/usr/lib/x86_64-linux-gnu/perl5/ is in libhtml-template-pro-perl 0.9510-1build3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/5.22/
/usr/lib/x86_64-linux-gnu/perl5/5.22/HTML/
/usr/lib/x86_64-linux-gnu/perl5/5.22/HTML/Template/
/usr/lib/x86_64-linux-gnu/perl5/5.22/HTML/Template/Pro/
/usr/lib/x86_64-linux-gnu/perl5/5.22/HTML/Template/Pro/WrapAssociate.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/HTML/Template/SYNTAX.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/HTML/Template/PerlInterface.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/HTML/Template/Pro.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/HTML/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/HTML/Template/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/HTML/Template/Pro/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/HTML/Template/Pro/Pro.so