[c-nsp] Bogon Filter - Least Resource/CPU intensive method?

[Seth Mattinen]

Whisper wrote:
> Thanks for all the replies, they have been very enlightning.
> 
> Are there any other methods people use to filter/block bogons?
> 
> Its always good to hear about the relative real world pros & cons of
> implementing specific policy decisions.
> 

Not precisely a bogon list, but there's also the Spamhaus DROP list:

http://www.spamhaus.org/drop/

~Seth