<%doc>
  Return a json array containing all free ip addresses within a given block
  Unless block is larger than /24 - Does somebody really want to populate
  65k addresses into a HTML selectbox?
</%doc>
<% encode_json($json) %>\
<%init>

my $json = [];

my $blocknum = $cgi->param('blocknum');

my $addr_block = qsearchs( addr_block => { blocknum => $blocknum });

$json = $addr_block->free_addrs
  if ref $addr_block && $addr_block->ip_netmask >= 24;

</%init>