Dreamhost hijacking my prefix...

Kenneth McRae kenneth.mcrae at dreamhost.com
Fri Jan 11 16:54:31 UTC 2013


Thanks for that info Andree.  The only valid peer I see on the list would
be HE.  We do not peer with any of the others listed.

Kenneth

On Fri, Jan 11, 2013 at 8:46 AM, Andree Toonk <andree+nanog at toonk.nl> wrote:

> Hi,
> Here's a quick summary of what we saw at BGPMon.net.
>
> At 2013-01-11 14:14:13 we saw announcements (seemingly) originated by
> 26347, for prefixes normally announced by other ASn's (origin change /
> hijack).
>
> This seems to have affected 112 prefixes for 110 ASn's [1], including
> Rogers, Tata, Sprint, Ziggo, Verizon, KPN, Vodafone, CloudFlare, XS4ALL,
> AT&T, Bell Canada and many more.
> Most of these were new more specific(!) announcements.
>
> With regards to next-hop ASN's (peers). It seems this hijack was
> propagated via 12 unique (AS26347) peers [1]
>
> A quick look at the prefix that was mentioned by Jeff, 150.182.208.0/20
> (more specific of 50.182.192.0/18)
> The first announcement for this prefix was seen at 2013-01-11 14:14:28
> and withdrawn at 2013-01-11 15:20:57.  It was detected by 42 unique peers.
>
> some example paths:
> 271 6939 26347
> 5580 26347|
> 37312 5713 6939 26347
> 1126 24785 12989 26347
>
> [1] I've posted some details  (Unique next-hop ASN's and affected origin
> ASN's), check if your AS was affected here:
> http://portal.bgpmon.net/data/hijack20130111.txt
>
> Cheers,
>  Andree
>
>
>
>
> .-- My secret spy satellite informs me that at 2013-01-11 7:23 AM  Jeff
> Kell wrote:
> > Not sure how widespread their "leakage" may be, but Dreamhost just
> > hijacked one of my prefixes...
> >
> >> ====================================================================
> >> Possible Prefix Hijack (Code: 10)
> >> ====================================================================
> >> Your prefix:          150.182.192.0/18:
> >> Update time:          2013-01-11 14:14 (UTC)
> >> Detected by #peers:   11
> >> Detected prefix:      150.182.208.0/20
> >> Announced by:         AS26347 (DREAMHOST-AS - New Dream Network, LLC)
> >> Upstream AS:          AS42861 (PRIME-LINE-AS JSC "Prime-Line")
> >> ASpath:               8331 42861 42861 42861 26347
> >
> > Anyone have a contact there?  ASinfo gives netops at dreamhost.com where I
> > have submitted a report, but so far no joy...
> >
> > Jeff
> >
> >
> >
>
>


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