North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Maybe I'm misreading this but...
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 >> > > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Plain Aviation, Inc [email protected] LAN/WAN/UNIX/NT/TCPIP http://www.av8.com ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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