IRR Explorer is showing RPKI-Invalid. Maybe RPKI is causing the issue or there 
is an issue with IRR Explorer?

https://irrexplorer.nlnog.net/prefix/86.104.228.0/24

I do see RIPE and Cloudflare are showing RPKI as valid.

https://rpki-validator.ripe.net/ui/86.104.228.0%2F24/45021?include=related_alloc

https://rpki.cloudflare.com/?view=validator&validateRoute=45021_86.104.228.0%2F24

Curious why IRR Explorer is showing invalid.

Thank you,

Kevin McCormick


-----Original Message-----
From: NANOG <nanog-bounces+kmccormick=mdtc....@nanog.org> On Behalf Of ic
Sent: Saturday, March 25, 2023 3:55 AM
To: nanog@nanog.org
Subject: Issues with prefix / help needed

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Hi there,

I’m contacting you because after spending 2 days troubleshooting I can’t seem 
to find a solution to the following.

We (AS45021) bought/transffered the 86.104.228.0/24 prefix a few months back 
because we couldn’t wait longer on the RIPE waiting list.

Before you ask, yes, AS45021 is currently single homed, this will change in a 
week (it requires travelling a few hundred miles and I couldn’t do it before).

Since we started announcing this prefix, things have been spotty, at best. 
While it seems visible in all the looking glasses I tried, it spends sometimes 
hours, sometimes days, being unreachable (you can try for ex. 86.104.228.1 or 
86.104.228.26).

I have full access (up to packet capture) on the AS and its upstream. When I 
ping one of the IPs from various ISPs, I see the ICMP Echo Request and Reply on 
the wire, going where it’s supposed to go, but it doesn’t reach the pinging 
host. Pinging any IP of the upstream (AS42275 / 85.208.69.0/24 in this 
location) works.

ROAs and RPKI seem fine to me.

I’m starting to suspect that maybe the previous user of the prefix is still 
announcing it somewhere and “shouting louder” than me. It seems when I clear 
sessions, it immediately works for a while, then stops.

Do you all have any idea what I should check / try next?

BR, Michel

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