Routingproblems - Deutsche Telekom?

Andre Grueneberg list.ipv6ops at grueneberg.de
Sat Nov 22 00:34:08 CET 2014


Thomas Schäfer wrote:
> but www.linkedin.com has an AAAA-Record.
> from home via DSL (Deutsche Telekom) I get this:
> ping6 www.linkedin.com
> PING www.linkedin.com(2620:109:c007:102::5be1:f881) 56 data bytes
> >From 2003:0:1803:8268::2 icmp_seq=3 Destination unreachable: No route
> >From 2003:0:1803:8268::2 icmp_seq=7 Destination unreachable: No route
> Has anybody an idea? Can somebody confirm this problem by using a different 
> isp?

This might be caused by rather strict route filters based on IRR at
AS3320 (DTAG). We also don't see this route via our AS3320 transit.

I see the following pathes:
... 1273 14413 197612
... 1299 14413 197612
... 6939 14413 197612

$ whois -h whois.ra.net AS-LINKEDIN
as-set:         AS-LINKEDIN
...
members:        AS13443
...

Other IPv6 routes of LinkedIn are visible via AS3320:
       2620:109:c006::/48 <neigh> 10         100        0      E     
         AS_PATH: 3320 2914 14413 55163
       2620:109:c00d::/48 <neigh> 10         100        0      E     
         AS_PATH: 3320 2914 14413 20049

Not feeding IRR DB fires back. You might want to ask LinkedIn to fix
their entries.

Andre
-- 
Be nice to your kids.  They'll choose your nursing home.
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