Spoofing ASNs (Re: SNMP DDoS: the vulnerability you might not know you have)

Blake Dunlap ikiris at gmail.com
Thu Aug 8 18:07:56 UTC 2013

On a related note, how are you actually getting this data?

What you have said previously ( Number of unique IPs that spoofed a packet
to me. (eg: I sent a packet to and responded). ) doesn't
even make sense.


On Thu, Aug 8, 2013 at 12:51 PM, Jared Mauch <jared at puck.nether.net> wrote:

> Oops, I pulled the wrong data (off by one column) out before a trip and
> didn't realize it until now.
> This is not the spoofer list, but the list of ASNs with open resolvers.
> Let me reprocess it.
> Apologies, corrected data being generated.
> - Jared
> On Aug 8, 2013, at 1:29 PM, Jared Mauch <jared at puck.nether.net> wrote:
> > The following is a sorted list from worst to best of networks that allow
> spoofing: (cutoff here is 25k)
> >
> > (full list -
> http://openresolverproject.org/full-spoofer-asn-list-201307.txt )

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