diff --git a/testdata/Readme.txt b/testdata/Readme.txt
new file mode 100644
index 0000000..25e7f59
--- /dev/null
+++ b/testdata/Readme.txt
@@ -0,0 +1,12 @@
+The database in this folder can be used to run various tests against it and
+has been created by using the "create-database.py" script in the examples directory.
+
+It contains the following content:
+
+Vendor: "IPFire Project"
+Description: "This is a geo location database"
+License: "CC"
+
+AS: "AS204867 (Lightning Wire Labs GmbH)"
+Subnet: "2a07:1c44:5800::/40"
+Country Code: "DE"
