<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <div class="BodyFragment"> <div class="PlainText">Because from the 15th to the 26th September the Google Ad system just stopped impressing all of our ads. Well not quite all - 1 or 2 snuck through, which was enough to make the percentage reports go nuts! Here's the plot of daily total delivered ads for the Netherlands across that last year or so. Geoff </div> </div> <div><img src="cid:0e40327c-7187-4872-9f44-59df7300f959@AUSP282.PROD.OUTLOOK.COM"> </div> <div class="BodyFragment"> <div class="PlainText"> > On 10 Oct 2023, at 9:28 pm, Robert Kisteleki <robert@ripe.net> wrote: > > (It's a conjecture but) I find it plausible that Google does some network engineering in various regions, including the one serving NL, and selectively turning IPv6 on/off for stuff they serve. > > If what the Google stats is shown what percentage of traffic *to them* is on IPv6, then these changes may cause the stats to change. "Geoff's ads" are offered by Google but served by Geoff's infra, which is not Google's so it is unaffected. > > Robert > > > On 2023-10-10 11:50, Eric Vyncke (evyncke) via ipv6-wg wrote: >> A measurement issue at Google is probably where to look (or some peering/routing with Google AS) >> -éric >> *From: *ipv6-wg <ipv6-wg-bounces@ripe.net> on behalf of Mikael Abrahamsson via ipv6-wg <ipv6-wg@ripe.net> >> *Date: *Tuesday, 10 October 2023 at 11:35 >> *To: *Marco Davids (Private) <mdavids@forfun.net> >> *Cc: *RIPE IPv6 WG <ipv6-wg@ripe.net> >> *Subject: *Re: [ipv6-wg] Why did the Google IPv6 statistics dropped for the Netherlands? >> On Tue, 10 Oct 2023, Marco Davids (Private) via ipv6-wg wrote: >>> Hello, >>> >>> Is there anyone in this group that would dare to speculate on the sudden drop in IPv6 adoption for my country, the Netherlands on this URL? >> <a href="https://stats.labs.apnic.net/ipv6/NL">https://stats.labs.apnic.net/ipv6/NL</a> <<a href="https://stats.labs.apnic.net/ipv6/NL">https://stats.labs.apnic.net/ipv6/NL</a>> doesn't show equivalent drop. >> Last I heard presentation about how APNIC measures this, it's through >> Google ads served to web browsers, so that sounds like similar method to >> what google might be using. >> -- >> Mikael Abrahamsson email: swmike@swm.pp.se >> -- >> To unsubscribe from this mailing list, get a password reminder, or change your subscription options, please visit: <a href="https://mailman.ripe.net/">https://mailman.ripe.net/</a> <<a href="https://mailman.ripe.net/">https://mailman.ripe.net/</a>> > > -- > > To unsubscribe from this mailing list, get a password reminder, or change your subscription options, please visit: <a href="https://mailman.ripe.net/">https://mailman.ripe.net/</a> </div> </div> </body> </html>