2400::/12 in GRT

Geoff Huston gih at apnic.net
Tue Jun 19 05:45:29 CEST 2012

On 16/06/2012, at 6:57 AM, Gert Doering wrote:

> Hi,
> On Fri, Jun 15, 2012 at 06:20:54PM +0100, Daniel Austin wrote:
>> While looking at the recent thread on here about cloudflare, I noticed 
>> that there is a route in the GRT for 2400::/12.
> Geoff Huston researching dark matter again :-)
> (You're actually the first one to mention it on any list I'm on, but
> the prefix reappeared in the table on April 25 already)

I'm trying to get a longer baseline for the evolution of dark traffic in IPv6, so the current intention is to keep this advertisement up for some months.

This will not disturb production networks as it is just a covering aggregate, but it will direct those packets which are truly heading nowhere over to the dak traffic collector.



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