I second this.  I used to be scared of possibly going offline during the 
security filter updates, but I was given the advice to first get IRR route 
objects behind everything already advertised and then publish ROAs. ARIN's 
process is pretty slick that it auto-associates new ROAs with existing IRR 
routes.

Something to remember is that some of the larger tier providers only update 
their filter lists daily or bi-daily.
________________________________
From: Aaron Gould via NANOG <[email protected]>
Sent: Thursday, May 15, 2025 12:26 PM
To: [email protected] <[email protected]>
Cc: Aaron Gould <[email protected]>
Subject: rpki roa irr - i now believe

ok ok, now I understand and am a believer!

some of our address space was hijacked.  i did the arin.net roa entries,
and BAM-O... moments later, all my routes are validated and the
erroneous hijacked routes are gone!

love it

wanted to share and emphasize to others, if you don't have your prefixes
protected at your RIR (ARIN), do it.  it only takes a few minutes.

https://www.arin.net/resources/manage/rpki/roa_request/

https://youtu.be/cVftieOVn1M

--
-Aaron

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