How big a network is routed these days?

Justin M. Streiner streiner at
Wed Jan 17 14:27:02 UTC 2007

On Wed, 17 Jan 2007, John Smith wrote:

> my organization is considering PI addresses as a way to multihost.
> Having read the archives regarding disadvantages and alternatives,
> my question is how big a network must one have to be reasonably
> sure the BGP routers will accept the route?

A /24 is the smallest block of IPv4 addresses that you can reasonably 
expect to be globally reachable.  Depending on where you're located, the 
different address registries (ARIN, RIPE, APNIC, etc...) have different 
policies regarding the smallest PI block they'll allocate to end users.


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