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Re: rfc1918 ignorant

  • From: Haesu
  • Date: Thu Jul 24 10:38:18 2003

> 
> Interesting.
> Did any of you note last month or so that
> Sprint US came out with a notice that they
> are no longer going to router /30 ptp
> subnets unless the customer specifically
> asks for it?
> 
> Could that be why 10.x.y.z is showing up here?

No. :)
12  sla-bbtech-2-0.sprintlink.net (203.222.37.106)  114.207 ms  114.295 ms  114.340 ms

In this example, bbtech (the one shown in example traceroute below) uses 1918
as transit space on their network. Looks cute though with so many 1918 hops
(heh, not that i recommend it!)


-hc

-- 
Sincerely,
  Haesu C.
  TowardEX Technologies, Inc.
  WWW: http://www.towardex.com
  E-mail: [email protected]
  Cell: (978) 394-2867

> 
> Sprint??? you out there?
> 
> 
> -----Original Message-----
> From: Haesu [mailto:[email protected]]
> Sent: Wednesday, July 23, 2003 12:53 PM
> To: Vinny Abello; [email protected]
> Subject: Re: rfc1918 ignorant
> 
> 
> 
> Heh, check this out.
> 
> traceroute to 219.168.64.121 (219.168.64.121), 64 hops max, 44 byte packets
>  1  216.93.161.1 (216.93.161.1)  0.532 ms  0.518 ms  0.405 ms
>  2  66.7.159.33 (66.7.159.33)  0.796 ms  0.667 ms  0.543 ms
>  3  gigabitethernet8-0-513.ipcolo1.SanFrancisco1.Level3.net (63.211.150.225)  0.541 ms  0.478 ms  0.834 ms
>  4  gigabitethernet4-1.core1.SanFrancisco1.Level3.net (209.244.14.197)  0.547 ms  0.486 ms  0.530 ms
>  5  so-4-0-0.mp2.SanFrancisco1.Level3.net (209.247.10.233)  0.741 ms  0.729 ms  0.731 ms
>  6  so-2-0-0.mp2.SanJose1.Level3.net (64.159.0.218)  1.677 ms  1.510 ms  1.549 ms
>  7  unknown.Level3.net (64.159.2.102)  1.864 ms  1.851 ms  1.875 ms
>  8  sl-bb20-sj.sprintlink.net (209.245.146.142)  3.110 ms  3.831 ms  3.321 ms
>  9  sl-bb22-sj-14-0.sprintlink.net (144.232.3.165)  7.127 ms  3.290 ms  3.331 ms
> 10  sl-bb20-tok-13-1.sprintlink.net (144.232.20.188)  113.739 ms  113.731 ms  113.874 ms
> 11  sl-gw10-tok-15-0.sprintlink.net (203.222.36.42)  114.400 ms  114.051 ms  114.067 ms
> 12  sla-bbtech-2-0.sprintlink.net (203.222.37.106)  114.207 ms  114.295 ms  114.340 ms
> 13  10.9.17.10 (10.9.17.10)  101.595 ms  101.580 ms  101.771 ms
> 14  10.0.13.2 (10.0.13.2)  119.025 ms  118.765 ms  118.833 ms
> 15  10.4.10.2 (10.4.10.2)  134.809 ms  134.536 ms  134.668 ms
> 16  10.3.10.130 (10.3.10.130)  134.526 ms  135.004 ms  135.701 ms
> 17  10.10.0.25 (10.10.0.25)  135.291 ms  134.899 ms  135.293 ms
> 18  10.10.0.3 (10.10.0.3)  122.515 ms  122.210 ms  121.779 ms
> 19  10.10.0.11 (10.10.0.11)  135.643 ms  135.144 ms  135.438 ms
> 20  10.10.3.4 (10.10.3.4)  121.721 ms  121.872 ms  122.603 ms
> 21  10.10.3.36 (10.10.3.36)  135.069 ms  134.956 ms  135.330 ms
> 22  10.10.3.107 (10.10.3.107)  121.906 ms  122.708 ms  122.076 ms
> 23  YahooBB219168064121.bbtec.net (219.168.64.121)  147.137 ms  146.039 ms  147.453 ms
> 
> -hc
> 
> -- 
> Sincerely,
>   Haesu C.
>   TowardEX Technologies, Inc.
>   WWW: http://www.towardex.com
>   E-mail: [email protected]
>   Cell: (978) 394-2867
> On Wed, Jul 23, 2003 at 09:07:51AM -0400, Vinny Abello wrote:
> > 
> > Heh... Check out Comcast. A large part of their network uses rfc1918:
> > 
> >   2    16 ms     9 ms    10 ms  10.110.168.1
> >   3    15 ms    10 ms    11 ms  172.30.116.17
> >   4    10 ms    13 ms    10 ms  172.30.116.50
> >   5    14 ms    12 ms    26 ms  172.30.112.123
> >   6    10 ms    14 ms    23 ms  172.30.110.105
> > 
> > At 08:48 AM 7/23/2003, you wrote:
> > 
> > 
> > >Is there a site to "report" networks/isps that still leak rfc1918 space?
> > >By leaking I not only mean "don't filter", but actually _use_ in their
> > >network?
> > >
> > >If someone is keeping a list, feel free to add ServerBeach.com. All
> > >traceroutes to servers housed there, pass by 10.10.10.3.
> > >
> > >traceroute to www.serverbeach.com
> > >...
> > >20. 64-132-228-70.gen.twtelecom.net
> > >21. 10.10.10.3
> > >22. 66.139.72.12
> > >
> > >Kind Regards,
> > >Frank Louwers
> > >
> > >--
> > >Openminds bvba                www.openminds.be
> > >Tweebruggenstraat 16  -  9000 Gent  -  Belgium
> > 
> > 
> > Vinny Abello
> > Network Engineer
> > Server Management
> > [email protected]
> > (973)300-9211 x 125
> > (973)940-6125 (Direct)
> > PGP Key Fingerprint: 3BC5 9A48 FC78 03D3 82E0  E935 5325 FBCB 0100 977A
> > 
> > Tellurian Networks - The Ultimate Internet Connection
> > http://www.tellurian.com (888)TELLURIAN
> > 
> > There are 10 kinds of people in the world. Those who understand binary and 
> > those that don't.