diff --git a/app/Controller/SightingdbController.php b/app/Controller/SightingdbController.php
index 9ea3f9bae..0c4615991 100644
--- a/app/Controller/SightingdbController.php
+++ b/app/Controller/SightingdbController.php
@@ -74,7 +74,7 @@ class SightingdbController extends AppController
             if (empty($this->request->data['Sightingdb'])) {
                 $this->request->data = array('Sightingdb' => $this->request->data);
             }
-            $keys = array('host', 'port', 'description', 'name', 'owner', 'enabled', 'skip_proxy', 'ssl_skip_verification');
+            $keys = array('host', 'port', 'description', 'name', 'owner', 'enabled', 'skip_proxy', 'ssl_skip_verification', 'namespace');
             foreach ($keys as $key) {
                 if (!empty($this->request->data['Sightingdb'][$key])) {
                     $existingEntry['Sightingdb'][$key] = $this->request->data['Sightingdb'][$key];
diff --git a/app/Model/AppModel.php b/app/Model/AppModel.php
index 55da06a37..fbce38b1d 100644
--- a/app/Model/AppModel.php
+++ b/app/Model/AppModel.php
@@ -76,7 +76,7 @@ class AppModel extends Model
         21 => false, 22 => false, 23 => false, 24 => false, 25 => false, 26 => false,
         27 => false, 28 => false, 29 => false, 30 => false, 31 => false, 32 => false,
         33 => false, 34 => false, 35 => false, 36 => false, 37 => false, 38 => false,
-        39 => false, 40 => false, 41 => false, 42 => false
+        39 => false, 40 => false, 41 => false, 42 => false, 43 => false
     );
 
     public $advanced_updates_description = array(
@@ -1295,6 +1295,9 @@ class AppModel extends Model
                     INDEX `org_id` (`org_id`)
                 ) ENGINE=InnoDB;";
                 break;
+            case 43:
+                $sqlArray[] = "ALTER TABLE sightingdbs ADD namespace varchar(255) DEFAULT '';";
+                break;
             case 'fixNonEmptySharingGroupID':
                 $sqlArray[] = 'UPDATE `events` SET `sharing_group_id` = 0 WHERE `distribution` != 4;';
                 $sqlArray[] = 'UPDATE `attributes` SET `sharing_group_id` = 0 WHERE `distribution` != 4;';
diff --git a/app/Model/Sightingdb.php b/app/Model/Sightingdb.php
index 0f73141ae..4043b4b7b 100644
--- a/app/Model/Sightingdb.php
+++ b/app/Model/Sightingdb.php
@@ -237,28 +237,48 @@ class Sightingdb extends AppModel
             'skip_proxy' => !empty($sightingdb['Sightingdb']['skip_proxy'])
         );
         $HttpSocket = $syncTool->createHttpSocket($params);
+        $payload = array('items' => array());
+        $namespace = empty($sightingdb['Sightingdb']['namespace']) ? 'all' : $sightingdb['Sightingdb']['namespace'];
+        $valueLookup = array();
         foreach ($values as $k => $value) {
-            try {
-                $response = $HttpSocket->get(
-                    sprintf(
-                        '%s:%s/r/all?val=%s',
-                        $host,
-                        $port,
-                        hash('sha256', $k)
-                    )
-                );
-            } catch (Exception $e) {
-                return $values;
-            }
-            if ($response->code == 200) {
-                $responseData = json_decode($response->body, true);
-                if ($responseData !== false && empty($responseData['error'])) {
-                    $values[$k][$sightingdb['Sightingdb']['id']] = array(
-                        'first_seen' => $responseData['first_seen'],
-                        'last_seen' => $responseData['last_seen'],
-                        'count' => $responseData['count'],
-                        'sightingdb_id' => $sightingdb['Sightingdb']['id']
-                    );
+            $hashedValue = hash('sha256', $k);
+            $payload['items'][] = array(
+                'namespace' => $namespace,
+                'value' => $hashedValue
+            );
+            $valueLookup[$hashedValue] = $k;
+        }
+        $request = array(
+            'header' => array(
+                'Accept' => 'application/json',
+                'Content-Type' => 'application/json'
+            )
+        );
+        try {
+            $response = $HttpSocket->post(
+                sprintf(
+                    '%s:%s/rb',
+                    $host,
+                    $port
+                ),
+                json_encode($payload),
+                $request
+            );
+        } catch (Exception $e) {
+            return $values;
+        }
+        if ($response->code == 200) {
+            $responseData = json_decode($response->body, true);
+            if ($responseData !== false && empty($responseData['error'])) {
+                foreach ($responseData['items'] as $k => $item) {
+                    if (empty($item['error'])) {
+                        $values[$valueLookup[$item['value']]][$sightingdb['Sightingdb']['id']] = array(
+                            'first_seen' => $item['first_seen'],
+                            'last_seen' => $item['last_seen'],
+                            'count' => $item['count'],
+                            'sightingdb_id' => $sightingdb['Sightingdb']['id']
+                        );
+                    }
                 }
             }
         }
diff --git a/app/View/Sightingdb/add.ctp b/app/View/Sightingdb/add.ctp
index 972ca2c3c..ee9ad7652 100644
--- a/app/View/Sightingdb/add.ctp
+++ b/app/View/Sightingdb/add.ctp
@@ -24,6 +24,10 @@
                     'field' => 'port',
                     'class' => 'input'
                 ),
+                array(
+                    'field' => 'namespace',
+                    'class' => 'input-xxlarge'
+                ),
                 array(
                     'field' => 'owner',
                     'class' => 'input-xxlarge'
diff --git a/app/View/Sightingdb/index.ctp b/app/View/Sightingdb/index.ctp
index 4a3b3ea35..7ebf977a3 100644
--- a/app/View/Sightingdb/index.ctp
+++ b/app/View/Sightingdb/index.ctp
@@ -67,6 +67,11 @@
                     'class' => 'short',
                     'data_path' => 'Sightingdb.port'
                 ),
+                array(
+                    'name' => __('Namespace'),
+                    'sort' => 'namespace',
+                    'data_path' => 'Sightingdb.namespace'
+                ),
                 array(
                     'name' => __('Skip Proxy'),
                     'class' => 'short',