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Re: Maybe I'm misreading this but...

  • From: Dean Anderson
  • Date: Fri Oct 16 15:01:44 1998

Yes.

		--Dean

At 01:12 PM 10/16/98 -0400, tvo wrote:
>Doesn't this break MTU path discovery though?
>
>
>
>-------
>John Fraizer    (tvo)           |    __   _
>The System Administrator        |   / /  (_)__  __ ____  __ | The choice
>mailto:[email protected]        |  / /__/ / _ \/ // /\ \/ / |  of a GNU
>http://www.EnterZone.Net/       | /____/_/_//_/\_,_/ /_/\_\ | Generation
>                     A 486 is a terrible thing to waste...
>
>On Wed, 14 Oct 1998, I Am Not An Isp wrote:
>
>> At 05:11 PM 10/14/98 -0400, Barry Shein wrote:
>> >
>> >The following traceroute seems to indicate, according to ARIN, that
>> >someone is running routers for spammers in the IANA Reserved netspace?
>> 
>> [SNIP]
>> 
>> >> 8  bs-jackson-gw.customer.alter.net (157.130.65.226)  107 ms  132 ms
96 ms
>> >> 9  172.17.80.46 (172.17.80.46)  59 ms  53 ms  44 ms
>> >>10  172.21.210.18 (172.21.210.18)  122 ms  96 ms  49 ms
>> >>11  209.149.111.17 (209.149.111.17)  53 ms (ttl=118!)  58 ms (ttl=118!)
>> 150 ms (ttl=118!)
>> 
>> >What's going on here?
>> 
>> Barry, 172.16.0.0/12 is part of RFC1918 space.  There is no prohibition of
>> addressing routers with these addresses, and in fact I do not know of a
>> router that will route RFC1918 space differently than any other IP address.
>>  (Of course, you can put in filters, and many people do, but you can filter
>> any addresses exactly the same way.)  This is a perfectly legitimate use of
>> RFC1918 space, as long as those hosts expect no connectivity outside their
>> own network.  Many people use RFC1918 on WAN links and whatnot to preserve
>> their ARIN allocations for "real" hosts.  Read the RFC for more info.
>> 
>> >        -Barry Shein
>> 
>> TTFN,
>> patrick
>> 
>> I Am Not An Isp
>> www.ianai.net
>> "Think of it as evolution in action." - Niven & Pournelle
>> 
>
>
>
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