tools

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IP subnet filtering with Python

In this blog post I want to share, and talk about, Python program I wrote to solve problem of filtering out child prefixes. Contents Problem description Solution Naïve algorithm Patricia »

Regular expressions for Network Engineers - basics

What? Who needs regular expressions in the age of automation? I do! And maybe you need them too. Personally I think that there are times when regular expressions are the »

Python - sort IP addresses from the Linux shell

Have you ever found yourself needing to quickly sort IP addresses directly from the Linux shell? You just ran grep against all of your configs looking for IPs in some »