[AusNOG] Telstra using US DOD IP's like they are RFC1918

[Paul Wilkins]

Don't speak too soon that 240/8 is unused. Stay tune for the Canonical
sponsored RFC that wants to reserve 240/8 for Fan Net:

http://www.zdnet.com/article/canonical-introduces-fan-networking-for-containers/

Kind regards

Paul Wilkins

On 22 April 2016 at 13:03, Edwin Groothuis <edwin at mavetju.org> wrote:

> On 22/04/2016 11:31 am, Ben Hohnke wrote:
> > That site does state that those ranges aren't advertised publicly, and
> > only used internally - at lease I'm not receiving them on my feeds:
> > xxx-xxx-BDR01#sh ip bgp 30.0.0.0
> > % Network not in table
> > xxx-xxx-BDR01#sh ip bgp 30.0.0.0/8 <http://30.0.0.0/8> longer-prefixes
> > xxx-xxx-BDR01#
> >
> > Doesn't make it right, however I'm sure in a network of Telstra's scale,
> > RFC1918 exhaustion is would be an issue!
>
> 240.0.0.0/4 is only unused because "Many implementations of the TCP/IP
> protocol stack have the 240.0.0.0/4 address block marked as
> experimental, and prevent the host from forwarding IP packets with
> addresses drawn from this address block.". However, since this is only
> for their internal network WAN links, the only hosts who need to be able
> to access this are the hosts inside that network. Since that is a small
> subset of devices, I find it hard to believe that Telstra couldn't
> convince their vendors to make a (hidden) knob somewhere to make this IP
> space reachable on their software.
>
> See also https://tools.ietf.org/html/draft-wilson-class-e-02 and
>
> http://packetlife.net/blog/2010/oct/14/ipv4-exhaustion-what-about-class-e-addresses/
>
> But yeah don't steal other peoples IP space, people will get upset if
> you start to leak that.
>
> Edwin
>
>
>
> >
> >
> > On Fri, Apr 22, 2016 at 11:21 AM Nathan Brookfield
> > <Nathan.Brookfield at simtronic.com.au
> > <mailto:Nathan.Brookfield at simtronic.com.au>> wrote:
> >
> >     Thus rending anyone who may actually want to reach DOD IP's in those
> >     ranges unable to do so and going against RFC's and network best
> >     practise.
> >
> >
> >     Anyone who does that is questionable, in my opinion at least . . . .
> >
> >
> >
>  ------------------------------------------------------------------------
> >     *From:* AusNOG <ausnog-bounces at lists.ausnog.net
> >     <mailto:ausnog-bounces at lists.ausnog.net>> on behalf of Damien Luke
> >     <damien.luke at gmail.com <mailto:damien.luke at gmail.com>>
> >     *Sent:* Friday, 22 April 2016 11:17 AM
> >     *To:* ausnog at lists.ausnog.net <mailto:ausnog at lists.ausnog.net>
> >     *Subject:* Re: [AusNOG] Telstra using US DOD IP's like they are
> RFC1918
> >
> >     I've generally seen it used when they join two MPLS VPNs, they do a
> >     NAT in between to keep the routing domains separate.
> >
> >     Damien
> >
> >     On Fri, Apr 22, 2016 at 11:09 AM, Bradley Amm
> >     <Bradley.Amm at telethonkids.org.au
> >     <mailto:Bradley.Amm at telethonkids.org.au>> wrote:
> >
> >         Do they have a MPLS.____
> >
> >         They do it their MPLS network____
> >
> >         __ __
> >
> >         __ __
> >
> >         *From:*AusNOG [mailto:ausnog-bounces at lists.ausnog.net
> >         <mailto:ausnog-bounces at lists.ausnog.net>] *On Behalf Of *Nathan
> >         Brookfield
> >         *Sent:* Friday, 22 April 2016 8:44 AM
> >         *To:* ausnog at lists.ausnog.net <mailto:ausnog at lists.ausnog.net>
> >         *Subject:* [AusNOG] Telstra using US DOD IP's like they are
> >         RFC1918____
> >
> >         __ __
> >
> >         Morning All,____
> >
> >         __ __
> >
> >         So I've been asked by a customer to explain a traceroute, after
> >         reviewing it and telling them to contact Telstra because the hop
> >         count out of the Telstra network is putrid, I noticed something
> >         else unusual/concerning:____
> >
> >         __ __
> >
> >         image001.png____
> >
> >         __ __
> >
> >         Any idea's on why Telstra are using 30.0.0.0 addresses as if
> >         it's RFC1918 private IP space, surely this is the oversight of
> >         someone who needs to find a new job.____
> >
> >         __ __
> >
> >         This IP space belongs to the US Department of Defense....
> WTF?____
> >
> >         __ __
> >
> >         Kindest Regards,____
> >
> >         Nathan Brookfield (VK2NAB)____
> >
> >          ____
> >
> >         Chief Executive Officer____
> >
> >         Simtronic Technologies Pty Ltd____
> >
> >          ____
> >
> >         *Local:* (02) 4749 4949
> >         <tel:%2802%29%204749%204949> *|* *Fax:* (02) 4749
> >         4950 *|* *Direct:* (02) 4749 4951
> <tel:%2802%29%204749%204951>____
> >
> >         *Web*: http://www.simtronic.com.au
> >         <http://www.simtronic.com.au/> *|* *E-mail*:
> nathan.brookfield at simtronic.com.au
> >         <mailto:nathan.brookfield at simtronic.com.au>____
> >
> >          ____
> >
> >
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