A free Netflow option is CUFlow, you can graph via AS/network/protocol. http://www.columbia.edu/acis/networks/advanced/CUFlow
It is a bit outdated, but gets the job done here, as these details are not mission critical for me. -----Original Message----- From: Stefan Fouant [mailto:sfou...@shortestpathfirst.net] Sent: Monday, November 16, 2009 12:05 To: 'Babak Pasdar'; nanog@nanog.org Subject: RE: Bandwidth Monitoring per AS > -----Original Message----- > From: Babak Pasdar [mailto:bpas...@batblue.com] > Sent: Monday, November 16, 2009 2:37 PM > > Could some of you share your recommendations on the best tools for > monitoring per AS communications. I would like to track all source AS > to Destination AS traffic utilization. Depending on your price range, you might want to take a look at Arbor's Peakflow SP. There is some pretty top notch traffic and routing analysis tools in their package. Regards, Stefan Fouant GPG Key ID: 0xB5E3803D