Sprint (1239) blackhole ? Or bogus /32 route ?

Vinny Abello vinny at tellurian.com
Thu Sep 26 18:27:55 UTC 2002


Yep, you're right. Looks like they might blackholing the /32 with a null 
route on their network somewhere.

At 01:35 PM 9/26/2002 -0400, Mike Tancsa wrote:

>At 01:31 PM 26/09/2002 -0400, Vinny Abello wrote:
>>Looks like something isn't right... I see the announcement from Sprint 
>>with an AS path of 1239 852 11647, but it never gets past one of the 
>>routers on Sprint's network. I have no problem going through Cable and 
>>Wireless:
>
>Yes, and the strange thing is that is just one IP address :-( 
>199.212.134.9... If you try 199.212.134.1 I bet you can get to it via sprint.
>
>
>>Type escape sequence to abort.
>>Tracing the route to smtp2.sentex.ca (199.212.134.9)
>>
>>   1 63-121-101-106.focaldata.net (63.121.101.106) [AS 18984] 0 msec 0 
>> msec 0 msec
>>   2 acr2-so-3-3-0.newyork.cw.net (206.24.193.153) [AS 3561] 0 msec 4 
>> msec 0 msec
>>   3 agr4-loopback.newyork.cw.net (206.24.194.104) [AS 3561] 4 msec 0 msec
>>     agr3-loopback.newyork.cw.net (206.24.194.103) [AS 3561] 4 msec
>>   4 dcr1-so-7-2-0.newyork.cw.net (206.24.207.73) [AS 3561] 4 msec
>>     dcr1-so-6-2-0.newyork.cw.net (206.24.207.57) [AS 3561] 0 msec
>>     dcr1-so-7-3-0.newyork.cw.net (206.24.207.77) [AS 3561] 4 msec
>>   5 telus-services-inc.newyork.cw.net (206.24.207.90) [AS 3561] 24 msec 
>> 24 msec 20 msec
>>   6 toroonnlbr00.bb.telus.com (154.11.11.130) [AS 852] 20 msec 24 msec 
>> 20 msec
>>   7 toroonzddr00.bb.telus.com (154.11.6.67) [AS 852] 24 msec 24 msec 20 msec
>>   8 peer.toroonzddr00.bb.telus.com (209.115.141.5) [AS 852] 28 msec 28 
>> msec 32 msec
>>   9 iolite.sentex.ca (209.112.4.3) [AS 15290] 24 msec 24 msec 24 msec
>>  10 smtp2.sentex.ca (199.212.134.9) [AS 11647] 28 msec 24 msec 32 msec
>>
>>I would contact Sprint. Good luck!
>
>Thanks, I did.  Responder robot said they would try to get back to me in 
>72hrs :-(
>
>         ---Mike
>


Vinny Abello
Network Engineer
Server Management
vinny at tellurian.com
(973)300-9211 x 125
(973)940-6125 (Direct)
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