/usr/share/doc/libnet-libdnet-perl/examples/arp-delete.pl is in libnet-libdnet-perl 0.98-1build5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | #!/usr/bin/perl
use strict; use warnings;
my $ip = shift or die("Pass IP");
use Net::Libdnet::Arp;
my $h = Net::Libdnet::Arp->new;
my $success = $h->delete($ip);
$success ? print "Ok\n" : print "Failed\n";
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