diff --git a/openstack/network/v2/floating_ip.py b/openstack/network/v2/floating_ip.py
index fac89876b..dfc0c366b 100644
--- a/openstack/network/v2/floating_ip.py
+++ b/openstack/network/v2/floating_ip.py
@@ -30,6 +30,8 @@ class FloatingIP(resource.Resource):
     allow_list = True
 
     # Properties
+    #: Timestamp when the floating IP was created.
+    created_at = resource.prop('created_at')
     #: The floating IP description.
     description = resource.prop('description')
     #: The fixed IP address associated with the floating IP. If you
@@ -47,10 +49,14 @@ class FloatingIP(resource.Resource):
     port_id = resource.prop('port_id')
     #: The ID of the project this floating IP is associated with.
     project_id = resource.prop('tenant_id')
+    #: Revision number of the floating IP. *Type: int*
+    revision_number = resource.prop('revision_number', type=int)
     #: The ID of an associated router.
     router_id = resource.prop('router_id')
     #: The floating IP status. Value is ``ACTIVE`` or ``DOWN``.
     status = resource.prop('status')
+    #: Timestamp when the floating IP was last updated.
+    updated_at = resource.prop('updated_at')
 
     @classmethod
     def find_available(cls, session):
diff --git a/openstack/network/v2/network.py b/openstack/network/v2/network.py
index be9ff8160..537f83d0a 100644
--- a/openstack/network/v2/network.py
+++ b/openstack/network/v2/network.py
@@ -76,6 +76,8 @@ class Network(resource.Resource):
     #: An isolated segment ID on the physical network. The provider
     #: network type defines the segmentation model.
     provider_segmentation_id = resource.prop('provider:segmentation_id')
+    #: Revision number of the network. *Type: int*
+    revision_number = resource.prop('revision_number', type=int)
     segments = resource.prop('segments')
     #: The network status.
     status = resource.prop('status')
diff --git a/openstack/network/v2/port.py b/openstack/network/v2/port.py
index 85a93999f..0d0d7a167 100644
--- a/openstack/network/v2/port.py
+++ b/openstack/network/v2/port.py
@@ -91,6 +91,8 @@ class Port(resource.Resource):
     project_id = resource.prop('tenant_id')
     #: The ID of the QoS policy attached to the port.
     qos_policy_id = resource.prop('qos_policy_id')
+    #: Revision number of the port. *Type: int*
+    revision_number = resource.prop('revision_number', type=int)
     #: The IDs of any attached security groups.
     #: *Type: list of strs of the security group IDs*
     security_group_ids = resource.prop('security_groups', type=list)
diff --git a/openstack/network/v2/router.py b/openstack/network/v2/router.py
index d593acb6b..6eba1626a 100644
--- a/openstack/network/v2/router.py
+++ b/openstack/network/v2/router.py
@@ -35,6 +35,8 @@ class Router(resource.Resource):
     #: Availability zones for the router.
     #: *Type: list of availability zone names*
     availability_zones = resource.prop('availability_zones')
+    #: Timestamp when the router was created.
+    created_at = resource.prop('created_at')
     #: The router description.
     description = resource.prop('description')
     #: The ``network_id``, for the external gateway. *Type: dict*
@@ -52,10 +54,14 @@ class Router(resource.Resource):
     name = resource.prop('name')
     #: The ID of the project this router is associated with.
     project_id = resource.prop('tenant_id')
+    #: Revision number of the router. *Type: int*
+    revision_number = resource.prop('revision_number', type=int)
     #: The extra routes configuration for the router.
     routes = resource.prop('routes', type=list)
     #: The router status.
     status = resource.prop('status')
+    #: Timestamp when the router was last updated.
+    updated_at = resource.prop('updated_at')
 
     def add_interface(self, session, **body):
         """Add an internal interface to a logical router.
diff --git a/openstack/network/v2/security_group.py b/openstack/network/v2/security_group.py
index da919da44..c9cda0ba5 100644
--- a/openstack/network/v2/security_group.py
+++ b/openstack/network/v2/security_group.py
@@ -29,16 +29,22 @@ class SecurityGroup(resource.Resource):
     allow_list = True
 
     # Properties
+    #: Timestamp when the security group was created.
+    created_at = resource.prop('created_at')
     #: The security group description.
     description = resource.prop('description')
     #: The security group name.
     name = resource.prop('name')
     #: The ID of the project this security group is associated with.
     project_id = resource.prop('tenant_id')
+    #: Revision number of the security group. *Type: int*
+    revision_number = resource.prop('revision_number', type=int)
     #: A list of
     #: :class:`~openstack.network.v2.security_group_rule.SecurityGroupRule`
     #: objects. *Type: list*
     security_group_rules = resource.prop('security_group_rules')
+    #: Timestamp when the security group was last updated.
+    updated_at = resource.prop('updated_at')
 
     def __init__(self, attrs=None, loaded=False):
         super(SecurityGroup, self).__init__(attrs=attrs, loaded=loaded)
diff --git a/openstack/network/v2/security_group_rule.py b/openstack/network/v2/security_group_rule.py
index 04a56bb3b..bb0532944 100644
--- a/openstack/network/v2/security_group_rule.py
+++ b/openstack/network/v2/security_group_rule.py
@@ -28,6 +28,8 @@ class SecurityGroupRule(resource.Resource):
     allow_list = True
 
     # Properties
+    #: Timestamp when the security group rule was created.
+    created_at = resource.prop('created_at')
     #: ``ingress`` or ``egress``: The direction in which the security group
     #: rule is applied. For a compute instance, an ingress security group
     #: rule is applied to incoming ingress traffic for that instance.
@@ -62,5 +64,9 @@ class SecurityGroupRule(resource.Resource):
     #: in the request body. This attribute matches the specified IP prefix
     #: as the source IP address of the IP packet.
     remote_ip_prefix = resource.prop('remote_ip_prefix')
+    #: Revision number of the security group rule. *Type: int*
+    revision_number = resource.prop('revision_number', type=int)
     #: The security group ID to associate with this security group rule.
     security_group_id = resource.prop('security_group_id')
+    #: Timestamp when the security group rule was last updated.
+    updated_at = resource.prop('updated_at')
diff --git a/openstack/network/v2/subnet.py b/openstack/network/v2/subnet.py
index d0c00fee4..b8219061e 100644
--- a/openstack/network/v2/subnet.py
+++ b/openstack/network/v2/subnet.py
@@ -58,6 +58,8 @@ class Subnet(resource.Resource):
     network_id = resource.prop('network_id')
     #: The ID of the project this subnet is associated with.
     project_id = resource.prop('tenant_id')
+    #: Revision number of the subnet. *Type: int*
+    revision_number = resource.prop('revision_number', type=int)
     #: The ID of the segment this subnet is associated with.
     segment_id = resource.prop('segment_id')
     #: Service types for this subnet
diff --git a/openstack/network/v2/subnet_pool.py b/openstack/network/v2/subnet_pool.py
index e25e51ae0..274eb6a29 100644
--- a/openstack/network/v2/subnet_pool.py
+++ b/openstack/network/v2/subnet_pool.py
@@ -66,5 +66,7 @@ class SubnetPool(resource.Resource):
     #: The adjacent prefixes are merged and treated as a single prefix.
     #: *Type: list*
     prefixes = resource.prop('prefixes', type=list)
+    #: Revision number of the subnet pool. *Type: int*
+    revision_number = resource.prop('revision_number', type=int)
     #: Timestamp when the subnet pool was last updated.
     updated_at = resource.prop('updated_at')
diff --git a/openstack/tests/unit/network/v2/test_floating_ip.py b/openstack/tests/unit/network/v2/test_floating_ip.py
index 7919dc5d1..5390c1a58 100644
--- a/openstack/tests/unit/network/v2/test_floating_ip.py
+++ b/openstack/tests/unit/network/v2/test_floating_ip.py
@@ -26,6 +26,9 @@ EXAMPLE = {
     'router_id': '7',
     'description': '8',
     'status': 'ACTIVE',
+    'created_at': '2016-10-04T12:14:57.233772',
+    'updated_at': '2016-10-12T12:15:34.233222',
+    'revision_number': 12,
 }
 
 
@@ -56,6 +59,9 @@ class TestFloatingIP(testtools.TestCase):
         self.assertEqual(EXAMPLE['router_id'], sot.router_id)
         self.assertEqual(EXAMPLE['description'], sot.description)
         self.assertEqual(EXAMPLE['status'], sot.status)
+        self.assertEqual(EXAMPLE['created_at'], sot.created_at)
+        self.assertEqual(EXAMPLE['updated_at'], sot.updated_at)
+        self.assertEqual(EXAMPLE['revision_number'], sot.revision_number)
 
     def test_find_available(self):
         mock_session = mock.Mock()
diff --git a/openstack/tests/unit/network/v2/test_network.py b/openstack/tests/unit/network/v2/test_network.py
index 17692342c..ab7682285 100644
--- a/openstack/tests/unit/network/v2/test_network.py
+++ b/openstack/tests/unit/network/v2/test_network.py
@@ -38,6 +38,7 @@ EXAMPLE = {
     'created_at': '2016-03-09T12:14:57.233772',
     'updated_at': '2016-07-09T12:14:57.233772',
     'is_default': False,
+    'revision_number': 23,
 }
 
 
@@ -86,3 +87,4 @@ class TestNetwork(testtools.TestCase):
         self.assertEqual(EXAMPLE['created_at'], sot.created_at)
         self.assertEqual(EXAMPLE['updated_at'], sot.updated_at)
         self.assertFalse(sot.is_default)
+        self.assertEqual(EXAMPLE['revision_number'], sot.revision_number)
diff --git a/openstack/tests/unit/network/v2/test_port.py b/openstack/tests/unit/network/v2/test_port.py
index 1b6436aca..c0e4321d3 100644
--- a/openstack/tests/unit/network/v2/test_port.py
+++ b/openstack/tests/unit/network/v2/test_port.py
@@ -41,6 +41,7 @@ EXAMPLE = {
     'qos_policy_id': '22',
     'created_at': '2016-03-09T12:14:57.233772',
     'updated_at': '2016-07-09T12:14:57.233772',
+    'revision_number': 25,
 }
 
 
@@ -87,3 +88,4 @@ class TestPort(testtools.TestCase):
         self.assertEqual(EXAMPLE['qos_policy_id'], sot.qos_policy_id)
         self.assertEqual(EXAMPLE['created_at'], sot.created_at)
         self.assertEqual(EXAMPLE['updated_at'], sot.updated_at)
+        self.assertEqual(EXAMPLE['revision_number'], sot.revision_number)
diff --git a/openstack/tests/unit/network/v2/test_router.py b/openstack/tests/unit/network/v2/test_router.py
index 3990f5b30..e9f92e355 100644
--- a/openstack/tests/unit/network/v2/test_router.py
+++ b/openstack/tests/unit/network/v2/test_router.py
@@ -27,6 +27,9 @@ EXAMPLE = {
     'availability_zone_hints': [],
     'availability_zones': [],
     'description': '10',
+    'created_at': '2016-10-04T12:14:57.233772',
+    'updated_at': '2016-10-12T12:15:34.233222',
+    'revision_number': 13,
 }
 
 EXAMPLE_WITH_OPTIONAL = {
@@ -78,6 +81,9 @@ class TestRouter(testtools.TestCase):
         self.assertEqual(EXAMPLE['availability_zones'],
                          sot.availability_zones)
         self.assertEqual(EXAMPLE['description'], sot.description)
+        self.assertEqual(EXAMPLE['created_at'], sot.created_at)
+        self.assertEqual(EXAMPLE['updated_at'], sot.updated_at)
+        self.assertEqual(EXAMPLE['revision_number'], sot.revision_number)
 
     def test_make_it_with_optional(self):
         sot = router.Router(EXAMPLE_WITH_OPTIONAL)
diff --git a/openstack/tests/unit/network/v2/test_security_group.py b/openstack/tests/unit/network/v2/test_security_group.py
index a8b18279c..a07ee4d57 100644
--- a/openstack/tests/unit/network/v2/test_security_group.py
+++ b/openstack/tests/unit/network/v2/test_security_group.py
@@ -28,6 +28,9 @@ RULES = [
         "port_range_min": None,
         "id": "5",
         "security_group_id": IDENTIFIER,
+        "created_at": "2016-10-04T12:14:57.233772",
+        "updated_at": "2016-10-12T12:15:34.233222",
+        "revision_number": 6,
     },
     {
         "remote_group_id": "9",
@@ -40,6 +43,9 @@ RULES = [
         "port_range_min": None,
         "id": "6",
         "security_group_id": IDENTIFIER,
+        "created_at": "2016-10-04T12:14:57.233772",
+        "updated_at": "2016-10-12T12:15:34.233222",
+        "revision_number": 7,
     },
 ]
 EXAMPLE = {
diff --git a/openstack/tests/unit/network/v2/test_security_group_rule.py b/openstack/tests/unit/network/v2/test_security_group_rule.py
index fc5ad6d63..1d20f60d0 100644
--- a/openstack/tests/unit/network/v2/test_security_group_rule.py
+++ b/openstack/tests/unit/network/v2/test_security_group_rule.py
@@ -27,6 +27,9 @@ EXAMPLE = {
     'remote_ip_prefix': '9',
     'security_group_id': '10',
     'description': '11',
+    'created_at': '2016-10-04T12:14:57.233772',
+    'updated_at': '2016-10-12T12:15:34.233222',
+    'revision_number': 14,
 }
 
 
@@ -57,3 +60,6 @@ class TestSecurityGroupRule(testtools.TestCase):
         self.assertEqual(EXAMPLE['remote_ip_prefix'], sot.remote_ip_prefix)
         self.assertEqual(EXAMPLE['security_group_id'], sot.security_group_id)
         self.assertEqual(EXAMPLE['description'], sot.description)
+        self.assertEqual(EXAMPLE['created_at'], sot.created_at)
+        self.assertEqual(EXAMPLE['updated_at'], sot.updated_at)
+        self.assertEqual(EXAMPLE['revision_number'], sot.revision_number)
diff --git a/openstack/tests/unit/network/v2/test_subnet.py b/openstack/tests/unit/network/v2/test_subnet.py
index 2edbb1d5b..fabe0b3b7 100644
--- a/openstack/tests/unit/network/v2/test_subnet.py
+++ b/openstack/tests/unit/network/v2/test_subnet.py
@@ -35,6 +35,7 @@ EXAMPLE = {
     'created_at': '2016-03-09T12:14:57.233772',
     'updated_at': '2016-07-09T12:14:57.233772',
     'segment_id': '16',
+    'revision_number': 17,
 }
 
 
@@ -73,3 +74,4 @@ class TestSubnet(testtools.TestCase):
         self.assertEqual(EXAMPLE['updated_at'], sot.updated_at)
         self.assertEqual(EXAMPLE['segment_id'], sot.segment_id)
         self.assertEqual(EXAMPLE['service_types'], sot.service_types)
+        self.assertEqual(EXAMPLE['revision_number'], sot.revision_number)
diff --git a/openstack/tests/unit/network/v2/test_subnet_pool.py b/openstack/tests/unit/network/v2/test_subnet_pool.py
index cd1fd51d9..3660837cf 100644
--- a/openstack/tests/unit/network/v2/test_subnet_pool.py
+++ b/openstack/tests/unit/network/v2/test_subnet_pool.py
@@ -31,6 +31,7 @@ EXAMPLE = {
     'created_at': '2016-03-09T12:14:57.233772',
     'updated_at': '2016-07-09T12:14:57.233772',
     'is_default': True,
+    'revision_number': 16,
 }
 
 
@@ -68,3 +69,4 @@ class TestSubnetpool(testtools.TestCase):
         self.assertEqual(EXAMPLE['created_at'], sot.created_at)
         self.assertEqual(EXAMPLE['updated_at'], sot.updated_at)
         self.assertTrue(sot.is_default)
+        self.assertEqual(EXAMPLE['revision_number'], sot.revision_number)