diff --git a/apps/kubevirt-networking/app/src/test/java/org/onosproject/kubevirtnetworking/util/KubevirtNetworkingUtilTest.java b/apps/kubevirt-networking/app/src/test/java/org/onosproject/kubevirtnetworking/util/KubevirtNetworkingUtilTest.java
new file mode 100644
index 0000000..ef87e03
--- /dev/null
+++ b/apps/kubevirt-networking/app/src/test/java/org/onosproject/kubevirtnetworking/util/KubevirtNetworkingUtilTest.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2021-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.kubevirtnetworking.util;
+
+import org.junit.Test;
+
+import static junit.framework.TestCase.assertEquals;
+import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.segmentIdHex;
+
+/**
+ * Unit tests for kubevirt networking utils.
+ */
+public final class KubevirtNetworkingUtilTest {
+
+    /**
+     * Tests the segmentIdHex method.
+     */
+    @Test
+    public void testSegmentIdHex() {
+        assertEquals("000001", segmentIdHex("1"));
+        assertEquals("00000a", segmentIdHex("10"));
+        assertEquals("ffffff", segmentIdHex("16777215"));
+    }
+}