diff --git a/not_cloudflare/cidr_data/asn_microsoft.txt b/not_cloudflare/cidr_data/asn_microsoft.txt
new file mode 100644
index 000000000..b4dc2a059
--- /dev/null
+++ b/not_cloudflare/cidr_data/asn_microsoft.txt
@@ -0,0 +1,10 @@
+AS13811
+AS20046
+AS23468
+AS26222
+AS3598
+AS6182
+AS8068
+AS8069
+AS8072
+AS8075
\ No newline at end of file