netbox/netbox/templates/ui/attrs/object.html

{% if group %}
  {# Display an object with its parent group #}
  <ol class="breadcrumb" aria-label="breadcrumbs">
    <li class="breadcrumb-item">
      {% if linkify %}{{ group|linkify }}{% else %}{{ group }}{% endif %}
    </li>
    <li class="breadcrumb-item">
      {% if linkify %}{{ value|linkify }}{% else %}{{ value }}{% endif %}
    </li>
  </ol>
{% else %}
  {# Display only the object #}
  {% if linkify %}{{ value|linkify }}{% else %}{{ value }}{% endif %}
{% endif %}