Free Program to take netflow

Fri May 17 16:00:20 UTC 2019

* nanog at nanog.org (Dennis Burgess via NANOG) [Fri 17 May 2019, 16:25 CEST]:
>I am looking for a free program to take netflow and output what the  
>top traffic ASes to and from my AS are.  Something that we can look  
>at every once in a while, and/or spin up and get data then  
>shutdown..  Just have two ports need netflow from currently.

It sounds like 
https://blog.apnic.net/2017/01/26/traffic-analysis-better-peering/ 
would be right up your alley.

	-- Niels.