{% macro ajax_ipv4(ip) -%}
<span class="host_{{ ip|replace({'.': '-'}) }}">Resolving host...
<script type="text/javascript">
$(document).ready(function() {
    $.get('tools.php?action=get_host&ip={{ ip }}', function(host) {
        $('.host_{{ ip|replace({'.': '-'}) }}').html(host);
    });
});
</script></span>
{%- endmacro %}