Obsolete bogon filtering

Joe Provo nanog-post at rsuc.gweep.net
Sat Mar 12 21:56:09 UTC 2005

> If you run any bogon filtering, can you please check your 
> border ACLs and BGP prefix filters to ensure that you're 
> no longer preventing access to or ?

It is useful to point out that APNIC indicates the minalloc 
in 59/8 is /20 and 58/8 is /21.  I see several prefixes 'in 
the wild' which are longer, so where you think you might be 
seeing old bogon filters you are potentially seeing registry 
minalloc filters.



             RSUC / GweepNet / Spunk / FnB / Usenix / SAGE

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