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Message-ID: <CAPMrQTSgmaOvhxG=EpsbR2ODD5KUhq9iqTytmarWN+mr4bgUJA@mail.gmail.com>
Date: Fri, 17 May 2013 22:22:05 +0300
From: Julius Kivimäki <julius.kivimaki@...il.com>
To: kyle kemmerer <krkemmerer@...il.com>
Cc: "full-disclosure@...ts.grok.org.uk" <full-disclosure@...ts.grok.org.uk>
Subject: Re: My ISP is routing traffic to private
addresses...
Many ISPs do this, usually they hijack DoD ranges. It shouldn't cause any
issues.
2013/5/17 kyle kemmerer <krkemmerer@...il.com>
> So today when trying to access a device on my network (172.30.x.x range) I
> was taken to the web interface of a completely different device. This
> baffled me at first, but after a bit of poking around, I determined that my
> ISP was actually routing traffic to these addresses. See the trace below
>
>
> Tracing route to 172.30.4.18 over a maximum of 30 hops
>
> 1 11 ms 18 ms 19 ms XXXXXXXXX
> 2 30 ms 178 ms 212 ms vl4.aggr1.phdl.pa.rcn.net [208.59.252.1]
> 3 13 ms 18 ms 13 ms tge0-1-0-0.core1.phdl.pa.rcn.net[207.172.15.50]
>
> 4 37 ms 39 ms 57 ms tge0-0-0-2.core1.lnh.md.rcn.net[207.172.19.227]
>
> 5 35 ms 34 ms 32 ms tge0-1-0-1.core1.chgo.il.rcn.net[207.172.19.235
> ]
> 6 42 ms 38 ms 39 ms port-chan13.aggr2.chgo.il.rcn.net[207.172.15.20
> 1]
> 7 37 ms 39 ms 39 ms
> port-chan1.mart-ubr1.chi-mart.il.cable.rcn.net [
> 207.229.191.132]
> 8 57 ms 61 ms 53 ms 172.30.4.18
>
> Trace complete.
>
>
> So I break out nmap and do a quick scan, and find that there are thousands
> of these devices across this IP range. Has anybody ever seen anything like
> this? Surely this must be a mistake, right? If anybody else is using RCN
> as an ISP, can you access these addresses as well?
>
>
>
>
>
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