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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical /17 and greater prefixes in Class A range
On Sun, 18 May 1997, Hank Nussbacher wrote:
> At 09:04 AM 5/18/97 -0400, Bradley Dunn wrote:
>
> This brings up a problem I have been trying to solve for a while that I have
> not found an answer to. A company with an old style Class B (/16) wants to
> be multihomed and split their incoming load between 2 ISPs (outgoing they
> can live with going via 1 and if the primary fails they fallback to the
> secondary conenction). In order to split the load on incoming, one ISP has
> to announce a /17 and the other ISP has to announce a /17 (or even the
> entire /16). But since this net is from the 147.x.x.x range, various ISPs
> around the globe will filter out the /17. This means that having a /16 from
> the 192.x.x.x range is better (these days), unless someone can show me a
> solution.
>
> Thanks,
> Hank
Hank,
since RIPE has been assigned 62.0.0.0/8 and RIPE started to assign
allocations ranging between /16 to /19 to Local Internet Registries (i.e.
ISPs) througout Europe, the problem regarding filtering prefixes greater
than /16 out of the Class A range will be addressed fairly soon, I guess.
Regards,
Thomas
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Thomas Trede NACAMAR Data Communications
Frankfurter Strasse 135-141
63303 Dreieich / Germany
e-mail: [email protected] voice: +49-6103-9901-0
www : www.nacamar.net fax : +49-6103-9901-18
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