netbox/netbox/templates/ipam/prefix_list.html

{% extends 'generic/object_list.html' %}
{% load helpers %}
{% load i18n %}

{% block extra_controls %}
    <button class="btn btn-outline-secondary toggle-depth" type="button">
        {% trans "Hide Depth Indicators" %}
    </button>
    {% include 'ipam/inc/max_depth.html' %}
    {% include 'ipam/inc/max_length.html' %}
{% endblock %}