diff --git a/netbox/ipam/filters.py b/netbox/ipam/filters.py
index 23a7bdfa5..b16a9ba90 100644
--- a/netbox/ipam/filters.py
+++ b/netbox/ipam/filters.py
@@ -183,7 +183,7 @@ class PrefixFilter(CustomFieldFilterSet, django_filters.FilterSet):
             return queryset
         try:
             query = str(IPNetwork(value).cidr)
-            return queryset.filter(prefix__net_contained_or_equal=query)
+            return queryset.filter(prefix__net_contained=query)
         except (AddrFormatError, ValueError):
             return queryset.none()
 
diff --git a/netbox/ipam/views.py b/netbox/ipam/views.py
index 48e7e8478..a6b282469 100644
--- a/netbox/ipam/views.py
+++ b/netbox/ipam/views.py
@@ -492,6 +492,7 @@ class PrefixView(View):
             'site', 'vlan', 'role',
         ).annotate_depth(limit=0)
         if child_prefixes:
+            child_prefix_count = len(child_prefixes)
             child_prefixes = add_available_prefixes(prefix.prefix, child_prefixes)
         child_prefix_table = tables.PrefixDetailTable(child_prefixes)
         if request.user.has_perm('ipam.change_prefix') or request.user.has_perm('ipam.delete_prefix'):
@@ -519,6 +520,8 @@ class PrefixView(View):
             'duplicate_prefix_table': duplicate_prefix_table,
             'permissions': permissions,
             'return_url': prefix.get_absolute_url(),
+            'bulk_querystring': 'parent={}'.format(prefix.prefix),
+            'obj_num': child_prefix_count,
         })
 
 
diff --git a/netbox/templates/utilities/obj_table.html b/netbox/templates/utilities/obj_table.html
index 058c7ef07..38fd52d6a 100644
--- a/netbox/templates/utilities/obj_table.html
+++ b/netbox/templates/utilities/obj_table.html
@@ -9,7 +9,7 @@
                     <div class="checkbox-inline">
                         <label for="select_all">
                             <input type="checkbox" id="select_all" name="_all" />
-                            Select <strong>all {{ table.rows|length }} {{ table.data.verbose_name_plural }}</strong> matching query
+                            Select <strong>all {% if obj_num %}{{ obj_num }}{% else %}{{ table.rows|length }}{% endif %} {{ table.data.verbose_name_plural }}</strong> matching query
                         </label>
                     </div>
                     <div class="pull-right">