inception/inception/webui/templates/inception/_instance_ips.html

{% for ip_group, addresses in instance.addresses.items %}
    {% if instance.addresses.items|length > 1 %}
    <h4>{{ ip_group }}</h4>
    {% endif %}
    <ul>
    {% for address in addresses %}
      <li>{{ address.addr }}</li>
    {% endfor %}
    </ul>
{% endfor %}