netbox/netbox/templates/ipam/iprange/base.html

{% extends 'generic/object.html' %}
{% load buttons %}
{% load helpers %}

{% block breadcrumbs %}
  {{ block.super }}
  {% if object.vrf %}
    <li class="breadcrumb-item"><a href="{% url 'ipam:iprange_list' %}?vrf_id={{ object.vrf.pk }}">{{ object.vrf }}</a></li>
  {% endif %}
{% endblock %}

{% block tab_items %}
  <li role="presentation" class="nav-item">
    <a class="nav-link{% if not active_tab %} active{% endif %}" href="{{ object.get_absolute_url }}">
      IP Range
    </a>
  </li>
  {% if perms.ipam.view_ipaddress %}
    <li role="presentation" class="nav-item">
      <a class="nav-link{% if active_tab == 'ip-addresses' %} active{% endif %}" href="{% url 'ipam:iprange_ipaddresses' pk=object.pk %}">
        IP Addresses {% badge object.get_child_ips.count %}
      </a>
    </li>
  {% endif %}
{% endblock %}