The very useful NetAddr::IP has some methods to walk through an IP block: 
use NetAddr::IP;
my $ip = NetAddr::IP->new("192.168.0.0/16");
my $bcast = $ip->broadcast;
while ($ip < $bcast) {
  # do something with $ip
  $ip++;
}

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In reply to Re: IP address generation by moot
in thread IP address generation by imperl

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