diff --git a/tempest/api/network/test_ports.py b/tempest/api/network/test_ports.py
index 02faa59..65e1181 100644
--- a/tempest/api/network/test_ports.py
+++ b/tempest/api/network/test_ports.py
@@ -245,6 +245,10 @@
         for ip in ip_network:
             if ip == ip_network.network_address:
                 continue
+            if self.ports_client.list_ports(
+                network_id=network['id'],
+                fixed_ips='ip_address=' + str(ip))['ports']:
+                continue
             if ip_address_1 is None:
                 ip_address_1 = str(ip)
             else: