diff --git a/not_cloudflare/cidr_data/.gitignore b/not_cloudflare/cidr_data/.gitignore
deleted file mode 100644
index 2e65efe2a..000000000
--- a/not_cloudflare/cidr_data/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-a
\ No newline at end of file
diff --git a/not_cloudflare/cidr_data/README.md b/not_cloudflare/cidr_data/README.md
new file mode 100644
index 000000000..29898f13e
--- /dev/null
+++ b/not_cloudflare/cidr_data/README.md
@@ -0,0 +1 @@
+CDN CIDR(IPv4) list
\ No newline at end of file