diff --git a/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/DefaultHostNodesInfo.java b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/DefaultHostNodesInfo.java
new file mode 100644
index 0000000..94be29e
--- /dev/null
+++ b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/DefaultHostNodesInfo.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2020-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.k8snode.api;
+
+import com.google.common.base.MoreObjects;
+import com.google.common.collect.ImmutableSet;
+import org.onlab.packet.IpAddress;
+
+import java.util.Objects;
+import java.util.Set;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+/**
+ * Default implementation of host to nodes mapping info.
+ */
+public final class DefaultHostNodesInfo implements HostNodesInfo {
+
+    private static final String NOT_NULL_MSG = "HostNodesInfo % cannot be null";
+
+    private final IpAddress hostIp;
+    private final Set<String> nodes;
+
+    private DefaultHostNodesInfo(IpAddress hostIp, Set<String> nodes) {
+        this.hostIp = hostIp;
+        this.nodes = ImmutableSet.copyOf(nodes);
+    }
+
+    @Override
+    public IpAddress hostIp() {
+        return hostIp;
+    }
+
+    @Override
+    public Set<String> nodes() {
+        return ImmutableSet.copyOf(nodes);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        DefaultHostNodesInfo that = (DefaultHostNodesInfo) o;
+        return Objects.equals(hostIp, that.hostIp) &&
+                Objects.equals(nodes, that.nodes);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(hostIp, nodes);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("hostIp", hostIp)
+                .add("nodes", nodes)
+                .toString();
+    }
+
+    /**
+     * Returns new builder instance.
+     *
+     * @return HostNodesInfo builder
+     */
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public static final class Builder implements HostNodesInfo.Builder {
+
+        private IpAddress hostIp;
+        private Set<String> nodes;
+
+        @Override
+        public HostNodesInfo build() {
+            checkArgument(hostIp != null, NOT_NULL_MSG, "Host IP address");
+            if (nodes == null) {
+                nodes = ImmutableSet.of();
+            }
+
+            return new DefaultHostNodesInfo(hostIp, nodes);
+        }
+
+        @Override
+        public HostNodesInfo.Builder hostIp(IpAddress hostIp) {
+            this.hostIp = hostIp;
+            return this;
+        }
+
+        @Override
+        public HostNodesInfo.Builder nodes(Set<String> nodes) {
+            this.nodes = nodes;
+            return this;
+        }
+    }
+}