North American Network Operators Group
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Re: Re: What is the most standard subnet length on internet

  • From: Suresh Ramasubramanian
  • Date: Fri Dec 19 00:28:19 2008 
Even if a longer prefix like a /24 is announced, chances of people
accepting it is slim.   Especially, as you say, if the RIR allocation
is something larger than /24

And I have a feeling acceptance /24 route announcements of anything
other than legacy classful space, infrastructure space like the root
servers is going to be patchy at best.

2008/12/19 Darryl Dunkin <[email protected]>:
>
> If you are allocated a /22, announce the /22. Do not announce anything longer unless you have a requirement to (such as a different origin AS). If you are further allocating a subset of that to a downstream, then a /24 out of that is acceptable as the origin will be different.
>