diff --git a/IM/VirtualMachine.py b/IM/VirtualMachine.py
index bda1a8bd7..caa3a3143 100644
--- a/IM/VirtualMachine.py
+++ b/IM/VirtualMachine.py
@@ -642,7 +642,7 @@ def add_public_net(radl):
 
         return public_net, num_net
 
-    def setIps(self, public_ips, private_ips, remove_old=False, ignore_nets=None):
+    def setIps(self, public_ips, private_ips, remove_old=True, ignore_nets=None):
         """
         Set the specified IPs in the VM RADL info
         """
diff --git a/IM/connectors/EC2.py b/IM/connectors/EC2.py
index dcfdd3d6b..a1c177293 100644
--- a/IM/connectors/EC2.py
+++ b/IM/connectors/EC2.py
@@ -16,7 +16,7 @@
 
 import time
 import requests
-from netaddr import IPNetwork, spanning_cidr
+from netaddr import IPNetwork, IPAddress, spanning_cidr
 
 try:
     import boto.ec2
@@ -1031,7 +1031,13 @@ def setIPsFromInstance(self, vm, instance):
             num_nets += 1
             num_pub_nets = 1
         if instance.private_ip_address is not None and len(instance.private_ip_address) > 0:
-            private_ips = [instance.private_ip_address]
+            is_private = any([IPAddress(instance.private_ip_address) in IPNetwork(mask)
+                              for mask in Config.PRIVATE_NET_MASKS])
+            if is_private:
+                private_ips = [instance.private_ip_address]
+            else:
+                public_ips = [instance.private_ip_address]
+                num_pub_nets += 1
             num_nets += 1
 
         vm.setIps(public_ips, private_ips)
diff --git a/IM/connectors/OCCI.py b/IM/connectors/OCCI.py
index 5835082b6..32879a777 100644
--- a/IM/connectors/OCCI.py
+++ b/IM/connectors/OCCI.py
@@ -278,7 +278,7 @@ def setIPs(self, vm, occi_res, auth_data, auth_header):
                 not public_ips and vm.requested_radl.hasPublicNet(vm.info.systems[0].name)):
             self.manage_public_ips(vm, auth_data, auth_header)
 
-        vm.setIps(public_ips, private_ips, remove_old=True)
+        vm.setIps(public_ips, private_ips)
 
     @staticmethod
     def get_property_from_category(occi_res, category, prop_name):
diff --git a/IM/connectors/OpenStack.py b/IM/connectors/OpenStack.py
index 71e113639..1183f3bf8 100644
--- a/IM/connectors/OpenStack.py
+++ b/IM/connectors/OpenStack.py
@@ -730,7 +730,7 @@ def setIPsFromInstance(self, vm, node):
                             priv_ips.append(ipu)
                         else:
                             pub_ips.append(ipu)
-                    vm.setIps(pub_ips, priv_ips)
+                    vm.setIps(pub_ips, priv_ips, False)
 
         else:
             # if addresses are not available use the old method
@@ -741,7 +741,7 @@ def setIPsFromInstance(self, vm, node):
                     private_ips.append(ip)
                 else:
                     public_ips.append(ip)
-            vm.setIps(public_ips, private_ips, True)
+            vm.setIps(public_ips, private_ips)
 
         if vm.state == VirtualMachine.RUNNING:
             if self.add_public_ip_count < self.MAX_ADD_IP_COUNT:
diff --git a/test/unit/connectors/Azure.py b/test/unit/connectors/Azure.py
index 9818f2dc2..3d34dd565 100755
--- a/test/unit/connectors/Azure.py
+++ b/test/unit/connectors/Azure.py
@@ -410,6 +410,15 @@ def test_30_updateVMInfo(self, credentials, dns_client, compute_client, network_
                                {'arecords': [{'ipv4_address': '13.0.0.1'}], 'ttl': 300})])
         self.assertNotIn("ERROR", self.log.getvalue(), msg="ERROR found in log: %s" % self.log.getvalue())
 
+        # Test using PRIVATE_NET_MASKS setting 10.0.0.0/8 as public net
+        old_priv = Config.PRIVATE_NET_MASKS
+        Config.PRIVATE_NET_MASKS = ["172.16.0.0/12", "192.168.0.0/16"]
+        ip_conf.public_ip_address = None
+        success, vm = azure_cloud.updateVMInfo(vm, auth)
+        Config.PRIVATE_NET_MASKS = old_priv
+        self.assertEqual(vm.getPublicIP(), "10.0.0.1")
+        self.assertEqual(vm.getPrivateIP(), None)
+
     @patch('IM.connectors.Azure.ComputeManagementClient')
     @patch('IM.connectors.Azure.ClientSecretCredential')
     def test_40_stop(self, credentials, compute_client):
diff --git a/test/unit/connectors/EC2.py b/test/unit/connectors/EC2.py
index 4e643c6f7..524e78f06 100755
--- a/test/unit/connectors/EC2.py
+++ b/test/unit/connectors/EC2.py
@@ -28,6 +28,7 @@
 from IM.VirtualMachine import VirtualMachine
 from IM.InfrastructureInfo import InfrastructureInfo
 from IM.connectors.EC2 import EC2CloudConnector
+from IM.config import Config
 from mock import patch, MagicMock, call
 
 
@@ -406,6 +407,17 @@ def test_30_updateVMInfo(self, record_sets, connect_to_region, get_connection):
         self.assertEqual(change.add_value.call_args_list, [call('158.42.1.1')])
         self.assertEqual(conn.create_route.call_args_list, [call('routet-id', '10.0.10.0/24', instance_id='int-id')])
 
+        # Test using PRIVATE_NET_MASKS setting 10.0.0.0/8 as public net
+        old_priv = Config.PRIVATE_NET_MASKS
+        Config.PRIVATE_NET_MASKS = ["172.16.0.0/12", "192.168.0.0/16"]
+        instance.ip_address = None
+        instance.private_ip_address = "10.0.0.1"
+        conn.get_all_addresses.return_value = []
+        success, vm = ec2_cloud.updateVMInfo(vm, auth)
+        Config.PRIVATE_NET_MASKS = old_priv
+        self.assertEqual(vm.getPublicIP(), "10.0.0.1")
+        self.assertEqual(vm.getPrivateIP(), None)
+
     @patch('IM.connectors.EC2.EC2CloudConnector.get_connection')
     def test_30_updateVMInfo_spot(self, get_connection):
         radl_data = """