On Tue, Aug 30, 2022 at 10:17 AM James Shank <jsh...@cymru.com> wrote: > > Dear NANOG! > > As many of you know, Team Cymru runs a free service delivering updated > BOGONS to networks around the world. We've been doing this for decades > at this point. For more information about this service, please see > https://www.team-cymru.com/bogon. > > Recently, we've discussed internally a discrepancy between our BGP based > feed and the other formats we deliver for our Traditional BOGONS feed. > For historic reasons, we previously omitted delivery of some ranges that > are BOGONS from our BGP advertisements. We are considering adding the > below ranges back in, but want to hear feedback from the community on > these ranges prior to advertising them, out of an abundance of caution. > > The below ranges are what we are currently considering advertising: > 0/8 (this one we already have concluded is safe as it is already > advertised in our "FULL BOGONS" set.) > 127/8 > 224/4 > 240/4 > > Note that 224/4 and 240/4 may be aggregated differently in our > advertisement, but are broken out here to facilitate discussion.
I would like to make an effort to debogon 240/4 at least, or have an authorized experiment to at least determine how fully bogon'd it is. Some recent data about amazon and verizon: https://labs.ripe.net/author/qasim-lone/2404-as-seen-by-ripe-atlas/ One question for me is how many folks rely on regular bogon updates such as yours. There are others. > So, fellow NANOGers, what say ye? I would love to hear your feedback, > pro or con, well-reasoned with data points or general "argh! there be > dragons!" sentiments. > > Looking forward to seeing folks in Hollywood for N86! > > Cheers! > > James > > -- > *James Shank* > Chief Architect of Community Services and Sr. Security Evangelist > e: jsh...@cymru.com > o: +1 847 378-3365 > -- FQ World Domination pending: https://blog.cerowrt.org/post/state_of_fq_codel/ Dave Täht CEO, TekLibre, LLC