How polluted is 1/8?

Patrick W. Gilmore patrick at
Thu Feb 4 20:17:56 UTC 2010

On Feb 4, 2010, at 3:14 PM, Christopher Morrow wrote:

> I know someone who'd happily sink both the /24's in question.. if apnic's
> interested.

Given that it is not in the table today, just announcing it would yield both interesting traffic, and interesting data on who is filtering it.


> On Thu, Feb 4, 2010 at 2:30 PM, Jared Mauch <jared at> wrote:
>> On Feb 4, 2010, at 1:27 PM, Kevin Loch wrote:
>>> Mirjam Kuehne wrote:
>>>> Hello,
>>>> After 1/8 was allocated to APNIC last week, the RIPE NCC did some
>> measurements to find out how "polluted" this block really is.
>>>> See some surprising results on RIPE Labs:
>>>> Please also note the call for feedback at the bottom of the article.
>>> The most surprising thing in that report was that someone has an AMS-IX
>>> port at just 10 megs.  It would be nice to see an actual measurement of
>>> the traffic and daily/weekly changes. A breakdown of the flow data by
>>> source ASN and source prefix (for the top 50-100 sources) would also be
>>> interesting.
>> There was a call on the apnic list for someone to sink some of the traffic.
>> I'd like to see someone capture the data and post pcaps/netflow analysis,
>> and possibly just run a http server on that /24 so people can test if their
>> network is broken.
>> I've taken a peek at the traffic, and I don't think it's 100's of megs, but
>> without a global view who knows.
>> - Jared

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