netbox-community-netbox/netbox/templates/ipam/inc/ipadress_edit_header.html

{% load helpers %}

<ul class="nav nav-pills justify-content-center border-bottom-0 mb-1">
    <li class="nav-item">
        <a 
            class="nav-link {% if active_tab == 'add' %}active{% endif %}"
            href="{% url 'ipam:ipaddress_add' %}{% querystring request %}"
        >
            New IP
        </a>
    </li>
    {% if 'interface' in request.GET or 'vminterface' in request.GET %}
    <li class="nav-item">
        <a
            class="nav-link {% if active_tab == 'assign' %}active{% endif %}"
            href="{% url 'ipam:ipaddress_assign' %}{% querystring request %}"
        >
            Assign IP
        </a>
    </li>
    {% else %}
    <li class="nav-item">
        <a
            class="nav-link {% if active_tab == 'bulk_add' %}active{% endif %}"
            href="{% url 'ipam:ipaddress_bulk_add' %}{% querystring request %}"
        >
            Bulk Create
        </a>
    </li>
    {% endif %}
</ul>