What is the most standard subnet length on internet

Seth Mattinen sethm at rollernet.us
Mon Dec 22 19:24:43 CST 2008


Nathan Ward wrote:
> On 23/12/2008, at 1:31 PM, Seth Mattinen wrote:
>> Anyone running a platform that can't take a full table would apply 
>> such a filter to weed out anyone who likes to announce all of their 
>> space as /24's for "traffic engineering". If one does that and doesn't 
>> announce the aggregate as well, one could find themselves facing 
>> random black holes.
> 
> 
> People are filtering /24s without a 0/0 route?
> 

I was just referring to LIR boundaries, but yes, I've seen it happen 
where someone splits their /22 into only /24s and doesn't announce the 
covering /22.

~Seth




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