diff --git a/netbox/ipam/filtersets.py b/netbox/ipam/filtersets.py
index d011472d932..9b57cb273cf 100644
--- a/netbox/ipam/filtersets.py
+++ b/netbox/ipam/filtersets.py
@@ -591,6 +591,10 @@ class IPAddressFilterSet(NetBoxModelFilterSet, TenancyFilterSet):
         method='_assigned_to_interface',
         label=_('Is assigned to an interface'),
     )
+    assigned = django_filters.BooleanFilter(
+        method='_assigned',
+        label=_('Is assigned'),
+    )
     status = django_filters.MultipleChoiceFilter(
         choices=IPAddressStatusChoices,
         null_value=None
@@ -706,6 +710,18 @@ def _assigned_to_interface(self, queryset, name, value):
                 assigned_object_id__isnull=False
             )
 
+    def _assigned(self, queryset, name, value):
+        if value:
+            return queryset.exclude(
+                assigned_object_type__isnull=True,
+                assigned_object_id__isnull=True
+            )
+        else:
+            return queryset.filter(
+                assigned_object_type__isnull=True,
+                assigned_object_id__isnull=True
+            )
+
 
 class FHRPGroupFilterSet(NetBoxModelFilterSet):
     protocol = django_filters.MultipleChoiceFilter(