nanog mailing list archives

Re: IPv6 at 50% for VZW (Re: NAT IP and Google)


From: Geoff Huston <gih () apnic net>
Date: Fri, 23 May 2014 21:03:40 +1000


On 23 May 2014, at 3:29 pm, Christopher Morrow <morrowc.lists () gmail com> wrote:

On Fri, May 23, 2014 at 1:24 AM, Julien Goodwin <nanog () studio442 com au> wrote:
On 23/05/14 11:21, Jared Mauch wrote:
You can't cater to everyones broken network.  I can't reach 1.1.1.1 from here either, but sometimes when I travel I 
can, even with TTL=1.  At some point folks have to fix what's broken.

1.1.1.1 is not private IP space.

BGP routing table entry for 1.1.1.0/24
Paths: (2 available, best #1)
 15169
 AS-path translation: { Google }
   edge5.Amsterdam1 (metric 20040)
     Origin IGP, metric 100000, localpref 86, valid, internal, best
     Community: Europe  Lclprf_86 Netherlands Level3_Peer Amsterdam
     Originator: edge5.Amsterdam1
 15169
 AS-path translation: { Google }
   edge5.Amsterdam1 (metric 20040)
     Origin IGP, metric 100000, localpref 86, valid, internal
     Community: Europe  Lclprf_86 Netherlands Level3_Peer Amsterdam
     Originator: edge5.Amsterdam1

(Yes ok, it doesn't respond to any packets last I checked)

<cough>some times it does</cough>
(some portion of the space does/service replies to a sample of packets...)

Geoff should have more info on the progress of his experiment though.


Some time back I did try responding to TCP SYNs with SYN ACKs, to see where it went. But
it massively increased load and I gave up. So if 1.1.1.1 responds to you.... its NOT me!

  Geoff



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