@@ -12,5 +12,6 @@ The following examples are included in this repository:
 * [python dictionaries and JSON (crash course)](https://codingnetworker.com/2015/10/python-dictionaries-json-crash-course/) - Just a quick crash course about the use of python dictionaries and the JSON data format
 * [HTTP calls using the python requests library](https://codingnetworker.com/2015/10/http-calls-using-python-requests-library/) - How to use the requests library in python based on the example code from the Cisco NX-API post ("interface description cleaner")
 * [Reconfigure static ARP entries using ciscoconfparse](https://codingnetworker.com/2015/11/reconfigure-static-arp-entries-ciscoconfparse/) - This post describes how to parse an existing configuration and reconfigure it using the example of static ARP entries (from Cisco VSS to Cisco vPC)
+* [Introduction to the python ipaddress module](https://codingnetworker.com/2015/12/introduction-python-ipaddress-module/) - quick introduction to the python ipaddress module
 
-In the post [about Vagrant](https://codingnetworker.com/2015/09/use-vagrant-to-run-the-python-examples/) you can find a description how to execute the examples without affecting your current environment.
+In the post [about Vagrant](https://codingnetworker.com/2015/09/use-vagrant-to-run-the-python-examples/) you can find a description how to execute the examples without affecting your current environment. This Vagrant VM also contains a pre-configured Jupyter environment, which is described in more detail in the post about [Jupyter: an interactive web-based python shell](https://codingnetworker.com/2015/11/jupyter-interactive-web-based-python-shell/).