diff --git a/netbox/ipam/api/serializers.py b/netbox/ipam/api/serializers.py
index 064452667..0b952f1df 100644
--- a/netbox/ipam/api/serializers.py
+++ b/netbox/ipam/api/serializers.py
@@ -4,7 +4,7 @@ from rest_framework import serializers
 
 from dcim.api.nested_serializers import NestedDeviceSerializer, NestedSiteSerializer
 from ipam.choices import *
-from ipam.constants import IPADDRESS_ASSIGNMENT_MODELS, VLANGROUP_SCOPE_TYPES
+from ipam.constants import IPADDRESS_ASSIGNMENT_MODELS, VLANGROUP_SCOPE_TYPES, IPADDRESS_FUNCTION_ASSIGNMENT_MODELS
 from ipam.models import *
 from netbox.api.fields import ChoiceField, ContentTypeField, SerializedPKRelatedField
 from netbox.api.serializers import NetBoxModelSerializer
@@ -445,6 +445,29 @@ class AvailableIPSerializer(serializers.Serializer):
         }
 
 
+class IPAddressFunctionAssignmentsSerializer(NetBoxModelSerializer):
+    url = serializers.HyperlinkedIdentityField(view_name='ipam-api:ipaddressfunctionassignments-detail')
+    assigned_object_type = ContentTypeField(
+        queryset=ContentType.objects.filter(IPADDRESS_FUNCTION_ASSIGNMENT_MODELS),
+    )
+    assigned_object = serializers.SerializerMethodField(read_only=True)
+    assigned_ip = NestedIPAddressSerializer()
+
+    class Meta:
+        model = IPAddressFunctionAssignments
+        fields = [
+            'id', 'url', 'display', 'assigned_ip', 'function',
+            'assigned_object_type', 'assigned_object_id', 'assigned_object',
+            'tags', 'custom_fields', 'created', 'last_updated',
+        ]
+
+    @extend_schema_field(serializers.JSONField(allow_null=True))
+    def get_assigned_object(self, instance):
+        serializer = get_serializer_for_model(instance.assigned_object, prefix=NESTED_SERIALIZER_PREFIX)
+        context = {'request': self.context['request']}
+        return serializer(instance.assigned_object, context=context).data
+
+
 #
 # Services
 #
diff --git a/netbox/ipam/api/urls.py b/netbox/ipam/api/urls.py
index 442fd2240..06cade5a7 100644
--- a/netbox/ipam/api/urls.py
+++ b/netbox/ipam/api/urls.py
@@ -17,6 +17,7 @@ router.register('roles', views.RoleViewSet)
 router.register('prefixes', views.PrefixViewSet)
 router.register('ip-ranges', views.IPRangeViewSet)
 router.register('ip-addresses', views.IPAddressViewSet)
+router.register('ip-address-function-assignments', views.IPAddressFunctionAssignmentsViewSet)
 router.register('fhrp-groups', views.FHRPGroupViewSet)
 router.register('fhrp-group-assignments', views.FHRPGroupAssignmentViewSet)
 router.register('vlan-groups', views.VLANGroupViewSet)
diff --git a/netbox/ipam/api/views.py b/netbox/ipam/api/views.py
index f432e0e6b..0bce6cc87 100644
--- a/netbox/ipam/api/views.py
+++ b/netbox/ipam/api/views.py
@@ -131,6 +131,12 @@ class IPAddressViewSet(NetBoxModelViewSet):
         return super().destroy(request, *args, **kwargs)
 
 
+class IPAddressFunctionAssignmentsViewSet(NetBoxModelViewSet):
+    queryset = IPAddressFunctionAssignments.objects.prefetch_related('assigned_ip', 'assigned_object', 'tags')
+    serializer_class = serializers.IPAddressFunctionAssignmentsSerializer
+    # filterset_class = filtersets. # TODO add filterset
+
+
 class FHRPGroupViewSet(NetBoxModelViewSet):
     queryset = FHRPGroup.objects.prefetch_related('ip_addresses', 'tags')
     serializer_class = serializers.FHRPGroupSerializer
diff --git a/netbox/ipam/choices.py b/netbox/ipam/choices.py
index bc3dec116..9a96b510f 100644
--- a/netbox/ipam/choices.py
+++ b/netbox/ipam/choices.py
@@ -94,16 +94,17 @@ class IPAddressRoleChoices(ChoiceSet):
         (ROLE_CARP, 'CARP', 'green'),
     )
 
+
 class IPAddressFunctionChoices(ChoiceSet):
 
     FUNC_OOB = 'Out Of Band'
     # Future planning, depreciate primary_ip
-    # FUNC_PRIMARY_IP = 'Primary IP' 
+    # FUNC_PRIMARY_IP = 'Primary IP'
 
     CHOICES = (
         (FUNC_OOB, 'Out Of Band', 'gray'),
         # Future planning, depreciate primary_ip
-        # (FUNC_PRIMARY_IP, 'Primary IP', 'blue'), 
+        # (FUNC_PRIMARY_IP, 'Primary IP', 'blue'),
     )