/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/ is in libverilog-perl 3.422-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/Cell.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/ContAssign.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/Defparam.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/File.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/Interface.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/Logger.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/ModPort.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/Module.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/Net.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/Pin.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/Port.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Verilog/Netlist/Subclass.pm