/usr/share/ is in arpalert 2.0.11-7.1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/arpalert/
/usr/share/arpalert/send_alert.pl
/usr/share/doc/
/usr/share/doc/arpalert/
/usr/share/doc/arpalert/examples/
/usr/share/doc/arpalert/examples/scripts/
/usr/share/doc/arpalert/examples/scripts/contribs/
/usr/share/doc/arpalert/examples/scripts/contribs/dns_leases.sh
/usr/share/doc/arpalert/examples/scripts/contribs/ubuntu_zenity.sh
/usr/share/doc/arpalert/examples/scripts/contribs/send_alert.sh
/usr/share/doc/arpalert/examples/scripts/contribs/add_allowed_arpalert_address.sh
/usr/share/doc/arpalert/examples/scripts/test/
/usr/share/doc/arpalert/examples/scripts/test/testcharge.sh
/usr/share/doc/arpalert/examples/scripts/test/broadping.sh
/usr/share/doc/arpalert/examples/scripts/test/just_one_arp_request.sh
/usr/share/doc/arpalert/examples/scripts/test/send_flood_local
/usr/share/doc/arpalert/changelog.Debian.gz
/usr/share/doc/arpalert/changelog.gz
/usr/share/doc/arpalert/copyright
/usr/share/man/
/usr/share/man/man8/
/usr/share/man/man8/arpalert.8.gz