BGP noob needs monitoring advice

Vinny Abello vinny at abellohome.net
Wed Dec 21 16:21:38 CST 2011


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On 12/21/2011 12:31 PM, Andree Toonk wrote:
> Hi Vinny,
> 
> .-- My secret spy satellite informs me that at 11-12-21 5:17 AM  Vinny Abello wrote:
> 
>> Unless I'm misunderstanding something, I'm concerned regarding the IPv4 bogon list on http://bgpmon.net/showbogons.php?inet=4 . It clearly includes several /8's that should not be there. The data seems to be stale as if some job is no longer pulling the updated data. It states it's being pulled from http://www.cymru.com/Documents/bogon-bn-nonagg.txt , but that clearly does not contain 100/8, 5/8, 181/8, 49/8 and a few others... and hasn't for quite some time.
> 
> The http://bgpmon.net/showbogons.php?inet=4  page show a list of bogons that were announced at a certain point in time, so the page show historical announcements as well (check the date).
> 
> For example the last 100/8 bogons were detected on 2010-10-29, at that time it was still considered a bogon.
> 
> The list is not stale, there's just very few IPv4 bogons left :)
> We do still see RFC1918 announcements:
> http://www.bgpmon.net/showbogons.php?inet=4&global=yes&private=yes
> 
> And of course IPv6 bogons, Last month for example: 18c::/16
> http://www.bgpmon.net/showbogons.php?global=yes&private=yes&inet=6

Ahh, that would be the part where I'm misunderstanding something, the date! LOL... Makes sense now. I thought this was a recent snapshot all from 2011. I see of course that I was wrong. Thanks for clearing that up for me. My excuse is lack of coffee when I wrote that. ;)

- -Vinny
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