On Fri, Apr 5, 2019 at 12:29 PM Jay Borkenhagen <j...@att.com> wrote:
>
> Hi Chris,
yes!
> It would be great if the Google Fiber / AS16591 folks could publish a
> ROA in ARIN's hosted RPKI authorizing exactly 136.32.0.0/11 to be
> originated only in AS16591. That ROA would have addressed this matter
> from AS7018's point of view.
>
ok, cool. This is sort of on my plate, at least from the internal
viz/evangelizing perspective, and I'll go spend time chatting up the
folk in fiber-land.
having a: "See, doing this would prevent this" is helpful.
> In the interim, I have added a temporary whitelist (slurm) entry into
> our RPKI caches, causing the AS7018 network to disregard the
> more-specific /24s under 136.32.0.0/11.
thanks!
> Good luck.
> Jay B.
>
>
> Christopher Morrow writes:
> > Howdy gentle folks:
> >
> > It looks like AS4847 - "China Networks Inter-Exchange"
> >
> > Is taking some time to announce reachability for at least:
> > 136.38.33.0/24
> >
> > which they ought not, given that this /24 is part of a /11 assigned to
> > AS16591 (google fiber)... Looking at routeviews data, I see the
> > following as-paths for this one /24:
> > $ grep -A1 Refresh /tmp/x | grep 4847
> > 1239 174 4134 4847
> > 3549 3356 174 4134 4847
> > 701 174 4134 4847
> > 4901 6079 3257 4134 4847
> > 20912 174 4134 4847
> > 1221 4637 4134 4847
> > 1351 11164 4134 4847
> > 6079 1299 4134 4847
> > 6079 3257 4134 4847
> > 7018 4134 4847
> > 6939 1299 4134 4847
> > 3561 209 4134 4847
> > 3303 4134 4847
> > 3277 39710 9002 4134 4847
> > 2497 4134 4847
> > 4826 1299 4134 4847
> > 54728 20130 23352 2914 4134 4847
> > 19214 3257 4134 4847
> > 101 101 11164 4134 4847
> > 1403 6453 4134 4847
> > 852 6453 4134 4847
> > 1403 6453 4134 4847
> > 286 4134 4847
> > 3333 1273 4134 4847
> > 57866 3491 4134 4847
> > 3267 1299 4134 4847
> > 49788 174 4134 4847
> > 53767 3257 4134 4847
> > 53364 3257 4134 4847
> > 8283 57866 3491 4134 4847
> > 7660 2516 4134 4847
> >
> > >From that I think the following AS should have filtered this prefix and
> are not:
> > $ grep -A1 Refresh /tmp/x | grep 4847 | sed 's/ 4134 4847//' | awk
> > '{print $NF}' | sort -n | uniq
> >
> > 174 - Cogent
> > 209 - Qwest
> > 286 - KPN
> > 1273 - Vodafone
> > 1299 - Telia
> > 2497 - IIJ
> > 2516 - KDDI
> > 2914 - NTT
> > 3257 - GTT
> > 3303 - Swisscom
> > 3491 - PCCW
> > 4637 - Telstra
> > 6453 - TATA
> > 7018 - ATT
> > 9002 - RETN
> > 11164 - Internet2
> >
> > It'd be great if the listed folk could filter AS4134 :)
> >
> > -Chris
