[arin-ppml] IPv6 Non-connected networks

cja@daydream.com packetgrrl at gmail.com
Thu Feb 4 13:17:42 EST 2010


Sure I can give you an example.  At one point the company I worked for
received  It was not globally routable.  For some time, I would
say close to a year, Sprint would only listen to advertisements for  Everyone who had a block of net 24 would advertise that block
as well as and depending on the day and how lucky you were if
Sprint preferred your advertisement to then you could get to
Sprint customers.  The other issue regarding this block was that most of the
world didn't have their routers configured to understand a subnet of a
traditional "class A" block.  So our NOC spent probably 1/2 it's time
tracking down these sites and getting them to add the appropriate commands.

It was a ton of fun!

On Thu, Feb 4, 2010 at 10:23 AM, Michael Richardson <mcr at sandelman.ca>wrote:

> Can you give me an example of a piece of address space (IPv4 or IPv6)
> that ARIN has issued that turned out to not be routable on the DFZ?
> The only example I can see are some of the 69/8 and 70/8 (if I got those
> prefixes right), which many people had bogon filters for, and it took a
> few months for those filters to get completely removed.
> (Please ignore micro-allocations for IXs, which are often intended not
> to be routable, but often turn out to be easily routed)
> I understand covering-your-ass legalize in the document, but really,
> let's be pragmatic here.
> --
> ]       He who is tired of Weird Al is tired of life!           |
>  firewalls  [
> ]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net
> architect[
> ] mcr at sandelman.ottawa.on.ca http://www.sandelman.ottawa.on.ca/ |device
> driver[
>   Kyoto Plus: watch the video <http://www.youtube.com/watch?v=kzx1ycLXQSE>
>                       then sign the petition.
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