[ARIN-consult] Consultation on New Experimental Allocation

Fri Oct 3 04:32:51 EDT 2014

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On 02/10/14 22:35, David Farmer wrote:
> I can ping both 23.128.24.1 and 23.128.124.1.
> 
> I have routes for 23.128.24.0/24, 23.128.124.0/24 and
> 23.128.25.0/25.
> 
> For some reason I can't ping 23.128.25.1, even though I seem to
> have a route for it.  Traceroute seems to die in Amsterdam, so
> could the problem be on the RIPE Labs end?

Checking the return-path from the RIS RRC we can trace back to you
with the 23.128.24.1 address, but not with 23.128.25.1. If this peer
for the return-traffic didn't install the /25 and does uRPF or
otherwise filters, that'd explain it.
Useful data point I think.

cheers,
Emile

>> farmer$ traceroute 23.128.25.1 traceroute to 23.128.25.1
>> (23.128.25.1), 64 hops max, 52 byte packets 1
>> infotech-cn-01-v301-3.ggnet.umn.edu (128.101.235.254)  20.161 ms
>>  19.534 ms  7.619 ms 2  telecomb-bn-01-v3780.ggnet.umn.edu
>> (128.101.58.1)  2.835 ms  2.144 ms  2.178 ms 3
>> telecomb-br-01-v3789.ggnet.umn.edu (128.101.58.2)  2.088 ms
>> 2.345 ms  2.147 ms 4
>> telecomb-gr-01-te-2-3.northernlights.gigapop.net (146.57.252.178)
>>  2.533 ms  2.215 ms  2.467 ms 5
>> statecob-gr-01-te-2-1.northernlights.gigapop.net (146.57.252.146)
>>  3.091 ms  2.654 ms  2.538 ms 6
>> internet2-cic-nlg.northernlights.gigapop.net (146.57.253.54) 
>> 15.752 ms  15.093 ms  15.464 ms 7
>> et-9-0-0.115.rtr.wash.net.internet2.edu (198.71.45.57)  32.882 ms
>>  33.382 ms  32.515 ms 8  abilene-wash.mx1.fra.de.geant.net
>> (62.40.125.17)  124.990 ms 155.735 ms  130.369 ms 9
>> ae1.mx1.ams.nl.geant.net (62.40.98.129)  133.210 ms  149.910 ms 
>> 146.859 ms 10  surfnet-gw.mx1.ams.nl.geant.net (62.40.124.158)
>> 144.485 ms 158.031 ms  131.739 ms 11  * * * 12  * * *
> 
>> farmer$ traceroute 23.128.24.1 traceroute to 23.128.24.1
>> (23.128.24.1), 64 hops max, 52 byte packets 1
>> infotech-cn-01-v301-3.ggnet.umn.edu (128.101.235.254)  2.441 ms 
>> 3.270 ms  2.716 ms 2  telecomb-bn-01-v3780.ggnet.umn.edu
>> (128.101.58.1)  8.074 ms  2.019 ms  7.549 ms 3
>> telecomb-br-01-v3789.ggnet.umn.edu (128.101.58.2)  5.027 ms
>> 2.474 ms  5.717 ms 4
>> telecomb-gr-01-te-2-3.northernlights.gigapop.net (146.57.252.178)
>>  5.878 ms  26.039 ms  2.865 ms 5
>> statecob-gr-01-te-2-1.northernlights.gigapop.net (146.57.252.146)
>>  3.105 ms  4.816 ms  3.656 ms 6
>> internet2-cic-nlg.northernlights.gigapop.net (146.57.253.54) 
>> 15.579 ms  15.296 ms  15.060 ms 7
>> et-9-0-0.115.rtr.wash.net.internet2.edu (198.71.45.57)  38.309 ms
>>  44.413 ms  65.712 ms 8  abilene-wash.mx1.fra.de.geant.net
>> (62.40.125.17)  125.097 ms 149.973 ms  156.160 ms 9
>> ae1.mx1.ams.nl.geant.net (62.40.98.129)  134.344 ms  148.846 ms 
>> 132.421 ms 10  surfnet-gw.mx1.ams.nl.geant.net (62.40.124.158)
>> 140.542 ms 134.549 ms  147.195 ms 11  23.128.24.1 (23.128.24.1)
>> 135.016 ms  142.176 ms  132.000 ms
> 
> Hope that helps.
> 
> On 10/2/14, 04:17 , Emile Aben wrote:
>> On 08/08/14 19:45, Delacruz, Anthony B wrote:
>>> I support as well. When it kicks off can we let the community
>>> know. I'd like to check to see what we actually see.
>> 
>> We plan to start announcing a couple of prefixes from AS12654
>> within the next hour for the purpose of reachability checking of
>> prefixes longer than /24 out of ARINs 23.128.0.0/10 block:
>> 
>> With route object: prefix            pingable IP 23.128.24.0/24
>> 23.128.24.1 23.128.25.0/25    23.128.25.1 23.128.25.240/28
>> 23.128.25.241
>> 
>> Without route object: prefix            pingable IP 
>> 23.128.124.0/24   23.128.124.1 23.128.125.0/25   23.128.125.1 
>> 23.128.125.240/28 23.128.125.241
>> 
>> best regards, Emile Aben RIPE NCC
> 
> 

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