diff --git a/apps/k8s-networking/app/src/test/java/org/onosproject/k8snetworking/codec/K8sIpamJsonMatcher.java b/apps/k8s-networking/app/src/test/java/org/onosproject/k8snetworking/codec/K8sIpamJsonMatcher.java
new file mode 100644
index 0000000..81bbf10
--- /dev/null
+++ b/apps/k8s-networking/app/src/test/java/org/onosproject/k8snetworking/codec/K8sIpamJsonMatcher.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2019-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.k8snetworking.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeDiagnosingMatcher;
+import org.onosproject.k8snetworking.api.K8sIpam;
+
+/**
+ * Hamcrest matcher for kubernetes IPAM.
+ */
+public final class K8sIpamJsonMatcher extends TypeSafeDiagnosingMatcher<JsonNode> {
+
+    private final K8sIpam ipam;
+
+    private static final String IP_ADDRESS = "ipAddress";
+    private static final String NETWORK_ID = "networkId";
+
+    private K8sIpamJsonMatcher(K8sIpam ipam) {
+        this.ipam = ipam;
+    }
+
+    @Override
+    protected boolean matchesSafely(JsonNode jsonNode, Description description) {
+
+        // check IP address
+        String jsonIpAddress = jsonNode.get(IP_ADDRESS).asText();
+        String ipAddress = ipam.ipAddress().toString();
+        if (!jsonIpAddress.equals(ipAddress)) {
+            description.appendText("IP address was " + jsonIpAddress);
+            return false;
+        }
+
+        // check network ID
+        String jsonNetworkId = jsonNode.get(NETWORK_ID).asText();
+        String networkId = ipam.networkId();
+        if (!jsonNetworkId.equals(networkId)) {
+            description.appendText("Network ID was " + jsonNetworkId);
+            return false;
+        }
+
+        return true;
+    }
+
+    @Override
+    public void describeTo(Description description) {
+        description.appendText(ipam.toString());
+    }
+
+    /**
+     * Factory to allocate kubernetes IPAM matcher.
+     *
+     * @param ipam kubernetes IPAM object we are looking for
+     * @return matcher
+     */
+    public static K8sIpamJsonMatcher matchesK8sIpam(K8sIpam ipam) {
+        return new K8sIpamJsonMatcher(ipam);
+    }
+}