Not Sure if it worked or not!

I modified the script to;

use strict;
use Win32;
use Win32::AdminMisc;
use threads;
use Thread::Queue;
use Net::Ping;
my $master = $$;
my $verbose = $ARGV[0] eq q(-v);
my $RequestQ    = Thread::Queue->new;
my $ResultQ = Thread::Queue->new;
my $threadcount = 20;
my @kids;
my @targets;

while (<DATA>)
{
   chomp;
   print "$_ : ";
   my $ip_address = Win32::AdminMisc::gethostbyname($_);
   print "$ip_address\n";
   push (@targets, $ip_address);
}

# Generate list of hosts to ping
foreach my $target (@targets) 
{
  $RequestQ->enqueue ($target);
}

for (0..($threadcount - 1)){
  $RequestQ->enqueue(undef);
  push @kids, threads->new(\&Ping_it, $_);
}


foreach (threads->list){
   $_->join;
}
$ResultQ->enqueue(undef); # Last item
while (my $target = $ResultQ->dequeue){
      print "  $target\n";
}

#############################################
sub Ping_it{
    my ($work_count, $miss_count);
    my $t = shift;
    my $pinger = Net::Ping->new('icmp', 1);

    while (my $target = $RequestQ->dequeue){
      $work_count ++;
      my $retval = 0;
      $verbose and print "Child $target started\n";
      if($pinger->ping($target)) {
        # PING! Throw it in the FIFO
            $verbose and print "Found $target!\n";
        $retval=1
      }
      else {
        warn "Thread $t $target: $!\n";
            $verbose and print "No response from $target\n";
        $retval=0;
        $miss_count++;
      }

      $ResultQ->enqueue ($target . "=" . $retval);
      threads->yield();
          $verbose and  print "Child $target exiting\n";
    }
   $pinger->close();
   $ResultQ->enqueue("Thread $t processed $work_count, missed $miss_co
+unt");

}
__DATA__
SN02GEY10a
SN02GEZ10a
SN02GFC09a
SN02GEY09a
SN02GEZ09a
SN02GEY05a
SN02GEY06a
SN02GEY07a
SN02GEY08a
SN02GEZ05a
SN02GEZ06a
[download]

And the output was;

C:\Perl>ping_sweep2.pl
SN02GEY10a : 172.24.175.53
SN02GEZ10a : 172.24.166.15
SN02GFC09a : 172.24.184.43
SN02GEY09a : 172.24.184.21
SN02GEZ09a : 172.24.175.10
SN02GEY05a : 172.24.166.48
SN02GEY06a : 172.24.175.43
SN02GEY07a : 172.24.184.12
SN02GEY08a : 172.24.166.13
SN02GEZ05a : 172.24.175.55
SN02GEZ06a : 172.24.184.46
  172.24.175.53=1
  172.24.166.15=1
  172.24.184.43=1
  172.24.175.10=1
  172.24.184.21=1
  172.24.166.48=1
  172.24.175.43=1
  Thread 4 processed , missed
  172.24.184.12=1
  172.24.175.55=1
  172.24.166.13=1
  172.24.184.46=1
  Thread 1 processed 3, missed
  Thread 2 processed 3, missed
  Thread 0 processed 3, missed
  Thread 3 processed 2, missed
  Thread 5 processed , missed
  Thread 6 processed , missed
  Thread 7 processed , missed
  Thread 8 processed , missed
  Thread 9 processed , missed
  Thread 10 processed , missed
  Thread 11 processed , missed
  Thread 12 processed , missed
  Thread 13 processed , missed
  Thread 14 processed , missed
  Thread 15 processed , missed
  Thread 16 processed , missed
  Thread 17 processed , missed
  Thread 18 processed , missed
  Thread 19 processed , missed
[download]

Do I have to convert the hostnames to IP address first?Any thoughts on how to get it working fully please?

Thanks

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