diff --git a/nova/network/base_api.py b/nova/network/base_api.py
index dc80dc8b5c74..b9c4e3bd2ed7 100644
--- a/nova/network/base_api.py
+++ b/nova/network/base_api.py
@@ -17,6 +17,7 @@ import functools
 import inspect
 
 from nova.db import base
+from nova import hooks
 from nova.network import model as network_model
 from nova.objects import instance_info_cache as info_cache_obj
 from nova.openstack.common import excutils
@@ -27,6 +28,7 @@ from nova.openstack.common import log as logging
 LOG = logging.getLogger(__name__)
 
 
+@hooks.add_hook('instance_network_info')
 def update_instance_cache_with_nw_info(impl, context, instance,
                                        nw_info=None, update_cells=True):
     try:
diff --git a/nova/tests/network/test_api.py b/nova/tests/network/test_api.py
index 7ecd832b1549..0362a511e2b0 100644
--- a/nova/tests/network/test_api.py
+++ b/nova/tests/network/test_api.py
@@ -399,3 +399,9 @@ class TestUpdateInstanceCache(test.TestCase):
                                                                 self.instance)
         db_mock.assert_called_once_with(self.context, self.instance['uuid'],
                                         {'network_info': self.nw_json})
+
+
+class NetworkHooksTestCase(test.BaseHookTestCase):
+    def test_instance_network_info_hook(self):
+        info_func = base_api.update_instance_cache_with_nw_info
+        self.assert_has_hook('instance_network_info', info_func)