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February 2023

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Google IPv6 stats for NL - sudden drop since March 2022 ?
by Boudewijn Visser (nlnog) 01 Feb '23

01 Feb '23

(In English for a possibly wider audience) Hi all, There is a remarkable drop in IPv6 usage from The Netherlands in the Google IPv6 statistics page . It currently lists a mere 11% adoption, down from nearly 40% . Looking at other IPv6 statistic pages (Facebook, Akamai, Apnic) shows the expected 30-40%. A page which seems to reflect the historical data from the Google statistics shows that this drop occurred via suddenly on March 25/26 2022 . In that day several other European countries showed glitches in the Google IPv6 stats, but recovered, and sometimes increased . An extremely small test ( one KPN and one Ziggo connection ) showed that those connections (still) accessed youtube over IPv6 . Does anyone have some information what changed ? Is the statistic out of order, perhaps not correctly mapping prefix or links to a country ? Or is there one or more significant NL ISPs that are no longer using IPv6 to access Google ? Given that other stats show the 'normal' V6 adoption in NL it does not appear that access ISPs totally disabled IPv6 . Links : https://www.google.com/intl/en/ipv6/statistics.html#tab=per-country-ipv6-ad… https://www.akamai.com/internet-station/cyber-attacks/state-of-the-internet… https://www.facebook.com/ipv6/?tab=ipv6_country (also a sharp drop (42 -> 34%) near 27/28 march 2022, but not as deep as google) Apnic : https://stats.labs.apnic.net/ipv6/NL Historical Google stats : https://www.aelius.com/njh/google-ipv6/nl.html https://www.aelius.com/njh/google-ipv6/fr.html https://www.aelius.com/njh/google-ipv6/be.html https://www.aelius.com/njh/google-ipv6/gb.html Boudewijn

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