Definition/Classification of Bogon

Hank Nussbacher hank at
Wed Jul 25 04:51:15 UTC 2018

On 25/07/2018 05:37, Aftab Siddiqui wrote:
> Exactly, getting the right and updated info is so tricky that people only
> filter Private+Reserved ASNs. Because of the same reason more than 600
> unallocated ASNs are in the routing table as per the CIDR-Report.
> Wouldn't that be simple to parse the list and start updating filters on
> daily basis? I understand its troublesome for big operators. I've just
> started this so lets see what happens :) but I can tell that the diff on
> file created every night isn't much (around 10-20).
Been there, done that - 15 years ago with Barry:
IPs, ASNs, it don't one gives a sh*t.  Not today, not 15
years ago.
Nowadays, the bible on being a good ISPs is defined by MANRS and if it
don't appear there then you and I are clearly delusional.


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