I know of a few people in a Discord that filter out anything bigger than /16 routes, would this be wise to implement as a best practice? From: Warren Kumari <warren@kumari.net> Sent: Friday, December 9, 2022 9:13 AM To: Job Snijders <job@fastly.com> Cc: ryan@rkhtech.org; North American Network Operators' Group <nanog@nanog.org> Subject: Re: AS3356 Announcing 2000::/12 On Thu, Dec 8 2022 at 12:38 PM, Job Snijders <nanog@nanog.org <mailto:nanog@nanog.org> > wrote: Hi all, On Wed, Dec 07, 2022 at 08:24:54PM -0800, Ryan Hamel wrote: AS3356 has been announcing 2000::/12 for about 3 hours now, an aggregate covering over 23K prefixes (just over 25%) of the IPv6 DFZ. A few months ago I wrote: "Frequently Asked Questions about 2000::/12 and related routing errors": https://www.ripe.net/ripe/mail/archives/routing-wg/2022-July/004588.html Oh, that's a nice write-up. I must admit that it didn't occur to me that e.g 2000::/12 was likely something much more specific, but that someone missed the (probably) 6, 7, or 8 at the end, even though I've done this a few times myself… W Kind regards, Job