"Tactical" /24 announcements

Chris Cummings chris at cummings.tech
Mon Aug 9 15:57:07 UTC 2021

I prefer the approach of disaggregating only when needed, not as a
preventative measure. There are tools that can help with automating this
disaggregation (ARTEMIS can do this, for example).


On Mon, Aug 9, 2021 at 10:50 AM Billy Croan <BCroan at unrealservers.net>

> How does the community feel about using /24 originations in BGP as a
> tactical advantage against potential bgp hijackers?
> All of our allocations are larger and those prefixes we announce for
> clients as well usually are.  But we had a request recently to
> originate everything as distinct /24 prefixes, to reduce the effect of
> a potential bgp hijack.  It seemed a little bit like a tragedy of the
> commons situation.
> Is this seen as route table pollution, or a necessary evil in today's
> world?
> How many routers out there today would be affected if everyone did this?
> Are there any big networks that drop or penalize announcements like this?
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