/usr/share/doc/libnet-libdnet-perl/examples/ is in libnet-libdnet-perl 0.98-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libnet-libdnet-perl/examples/arp-add.pl
/usr/share/doc/libnet-libdnet-perl/examples/arp-delete.pl
/usr/share/doc/libnet-libdnet-perl/examples/arp-get.pl
/usr/share/doc/libnet-libdnet-perl/examples/arp-list.pl
/usr/share/doc/libnet-libdnet-perl/examples/dnet.pl.gz
/usr/share/doc/libnet-libdnet-perl/examples/eth-send.pl
/usr/share/doc/libnet-libdnet-perl/examples/fw-add.pl
/usr/share/doc/libnet-libdnet-perl/examples/fw-delete.pl
/usr/share/doc/libnet-libdnet-perl/examples/fw-list.pl
/usr/share/doc/libnet-libdnet-perl/examples/intf-get-dst.pl
/usr/share/doc/libnet-libdnet-perl/examples/intf-get-src.pl
/usr/share/doc/libnet-libdnet-perl/examples/intf-get.pl
/usr/share/doc/libnet-libdnet-perl/examples/intf-list.pl
/usr/share/doc/libnet-libdnet-perl/examples/ip-send.pl
/usr/share/doc/libnet-libdnet-perl/examples/route-get.pl
/usr/share/doc/libnet-libdnet-perl/examples/route-list.pl
/usr/share/doc/libnet-libdnet-perl/examples/tun-open.pl