192.250.24.0/22 (as 23034) not reachable from Verizon, tinet, global crossing, XO

Karsten Elfenbein karsten.elfenbein at gmail.com
Thu Sep 18 22:09:44 UTC 2014


The more specific objects are more cosmetic issue.
The main problem is the missing object for your /22. As well as your
AS23034 does not seem to be listed in AS-ROGERS:AS-CUSTOMERS
http://bgp.he.net/AS812#_irr

Karsten



2014-09-18 23:54 GMT+02:00 Brock Massel <BMassel at descartes.com>:
> Karsten,
> Thank you I am not sure why those 702 and 19294 old entries would still be there.
>
> We have engaged 812 for help.
>
> Shall I assume cleaning up the old entries will solve the problems?
>
>
>
> -----Original Message-----
> From: Karsten Elfenbein [mailto:karsten.elfenbein at gmail.com]
> Sent: Thursday, September 18, 2014 5:46 PM
> To: Brock Massel
> Cc: nanog at nanog.org
> Subject: Re: 192.250.24.0/22 (as 23034) not reachable from Verizon, tinet, global crossing, XO
>
> Hi,
>
> looks like you mainly use one transit provider (AS812) or your other transit providers correctly filter that prefix.
>
> According to https://stat.ripe.net/data/prefix-routing-consistency/data.json?preferred_version=0.7&resource=192.250.24.0%2F22
> there is no route object for the 192.250.24.0/22.
> As a result the AS6453(TATA COMMUNICATIONS (AMERICA) INC) seemed to have started filtering the prefix from AS812. Which reduced the visibility of that prefix. Check the BGplay from the last days:
> https://stat.ripe.net/192.250.24.0%2F22#tabId=routing
>
> so create the correct route object and the prefix should come up over the next day(s)
>
> Also get the more specific route objects removed which point to other AS.
>
> 192.250.24.0/23 AS702
> 192.250.24.0/24 AS19294
>
>
>
> Karsten
>
> 2014-09-18 22:42 GMT+02:00 Brock Massel <BMassel at descartes.com>:
>> Hi folks,
>> I'm hoping someone can shed some light on the situation.
>>
>> The 192.250.24 addresses have been reachable for several months in the current configuration with no reported issues. Since the 16th we have been hearing reports that destinations in that block are unavailable for some.
>>
>> Several looking glass' report network not in table.
>>
>> Can someone lend a hand? What is the best way to improve this situation? How do we find where the problem is?
>>
>> B
>


More information about the NANOG mailing list