diff --git a/s1ap_client.py b/s1ap_client.py
new file mode 100644
index 0000000..e7e4dde
--- /dev/null
+++ b/s1ap_client.py
@@ -0,0 +1,47 @@
+"""
+Copyright 2020 The Magma Authors.
+
+This source code is licensed under the BSD-style license found in the
+LICENSE file in the root directory of this source tree.
+
+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.
+"""
+from typing import Dict, Optional
+
+import grpc
+from lte.protos.s1ap_service_pb2_grpc import S1apServiceStub
+from common.service_registry import ServiceRegistry
+from logger import EnodebdLogger as logger
+from orc8r.protos.common_pb2 import Void
+
+S1AP_SERVICE_NAME = "s1ap_service"
+DEFAULT_GRPC_TIMEOUT = 20
+
+
+def get_all_enb_state() -> Optional[Dict[int, int]]:
+    """
+    Make RPC call to 'GetENBState' method of s1ap service
+    """
+    try:
+        chan = ServiceRegistry.get_rpc_channel(
+            S1AP_SERVICE_NAME,
+            ServiceRegistry.LOCAL,
+        )
+    except ValueError:
+        logger.error('Cant get RPC channel to %s', S1AP_SERVICE_NAME)
+        return {}
+    client = S1apServiceStub(chan)
+    try:
+        res = client.GetENBState(Void(), DEFAULT_GRPC_TIMEOUT)
+        return res.enb_state_map
+    except grpc.RpcError as err:
+        logger.warning(
+            "GetEnbState error: [%s] %s",
+            err.code(),
+            err.details(),
+        )
+    return {}