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

Geoff Huston gih at apnic.net
Fri May 23 11:03:40 UTC 2014


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

> On Fri, May 23, 2014 at 1:24 AM, Julien Goodwin <nanog at 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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