diff --git a/masked/masked_ecs_instance_list_cn-beijing_2019-01-07.csv.cmap b/masked/masked_ecs_instance_list_cn-beijing_2019-01-07.csv.cmap
new file mode 100644
index 0000000..d0c8841
--- /dev/null
+++ b/masked/masked_ecs_instance_list_cn-beijing_2019-01-07.csv.cmap
@@ -0,0 +1,27 @@
+[
+  {
+    "original": "172.17.107.173",
+    "masked": "***IP***2",
+    "rule_id": "ipv4"
+  },
+  {
+    "original": "59.110.220.52",
+    "masked": "***IP***1",
+    "rule_id": "ipv4"
+  },
+  {
+    "original": "10.46.173.3",
+    "masked": "***IP***4",
+    "rule_id": "ipv4"
+  },
+  {
+    "original": "123.57.185.29",
+    "masked": "***IP***3",
+    "rule_id": "ipv4"
+  },
+  {
+    "original": "boz",
+    "masked": "zzz",
+    "rule_id": "manual_replace_8"
+  }
+]
\ No newline at end of file