Dear Akamai, you got a /32 there not a bunch of /48s - how to break Facebook and annoy lots of users

Jeroen Massar jeroen at
Mon Aug 20 22:40:40 CEST 2012

On 2012-08-20 22:32, Nick Hilliard wrote:
> On 20/08/2012 21:20, Jeroen Massar wrote:
>>  1) announce the covering prefix
> This doesn't scale.

That extra route should not be a problem when there are 800
more-specifics below it.

But, yes, indeed, it should be effectively required that people who do
BGP use something like irrtoolset and run it regularly.

As as you are noticing, people do not update their filters, neither in
IPv4 and neither in IPv6...


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