Pitfalls of annoucing /24s

Wed Oct 15 21:42:21 UTC 2003

On Oct 15, 2003, at 5:24 PM, H. Michael Smith, Jr. wrote:

>
>
> What about the /24's that many ISPs (especially tier 2-3) are assigning
> to multi-homed customers?  What about an IX or "critical infrastructure
> providers" that may be issued a /24 from ARIN (Policy 2001-3)?
>
As long as it's provider assigned, and your provider announces the 
supernet that the /24 is from, it will still work.  If you announce PI 
space out of the old class A space in /24's, many networks wont be able 
to reach you.