icingaweb2/modules/monitoring/application/views/scripts/show/components/header.phtml

<?php $showService = $object->service_description && $tabs->getActiveName() !== 'host' ?>
<?php if (! $compact): ?>
<?= $tabs->render($this) ?>
<?php endif ?>

<table class="table">
  <tr>
    <td>
      {{HOST_ICON}} <b><?= $this->escape($object->host_name) ?>
      <?php if ($object->host_address && $object->host_address !== $object->host_name): ?>
        (<?= $this->escape($object->host_address) ?>)
      <?php endif ?>
      </b>
    </td>
    <td>
      <?= $this->util()->getHostStateName($object->host_state) ?>
      <br/>
      since <?= $this->timeSince($object->host_last_state_change) ?>
    </td>
  </tr>
<?php if ($showService): ?>
  <tr>
    <td>
      {{SERVICE_ICON}} <b>Service: <?= $this->escape($object->service_description) ?></b>
    </td>
    <td>
      <?= $this->util()->getServiceStateName($object->service_state); ?>
      <br/>
      since <?= $this->timeSince($object->service_last_state_change) ?>
    </td>
  </tr>
<?php endif; ?>
</table>