David Belson

@dbelson
344 Followers
304 Following
760 Posts
Head of Data Insights at Cloudflare
I stare at data about the Internet
Personalhttps://www.dbelson.com/
Blog (on hiatus)https://internetdisruption.report/
Workhttps://radar.cloudflare.com/
Blueskyhttps://bsky.app/profile/dbelson.com
🌍 Small i18n improvement: If you are using Radar in a language other than English, we now display translated geolocations (geonames alternate names) where available. For example, see https://radar.cloudflare.com/pt-pt/traffic/us#traffic-characteristics or https://radar.cloudflare.com/ja-jp/traffic/us#traffic-characteristics

Iran's connectivity to the global Internet briefly recovered on March 12 6:35 PM - 6:55 PM local time when a state-owned network (AS58224) that 32.9% of the population in Iran is connected to appeared to toggle its routing announcements off-on-off-on over a 40-minute period.

https://ioda.inetintel.cc.gatech.edu/asn/58224-IR?from=1771680827&until=1773408827&view=view1

During the short recovery, use of Mozilla's Firefox increased sharply.

https://ioda.inetintel.cc.gatech.edu/country/IR?from=1772112778&until=1773408778&view=view1

The latest #Internet shutdown in #Iran has now entered its 7th day. Traffic remains well under 1% of previous levels.
The distribution of remaining traffic by ASN has shifted significantly since the shutdown was implemented.

https://radar.cloudflare.com/traffic/ir
https://radar.cloudflare.com/explorer?dataSet=http&loc=IR&groupBy=as

I can’t quite believe this is true, but there is a direct connection between FLONG and the BIRTH OF THE INTERNET via Bolt Beranek and Newman. This is not a joke. https://www.kickstarter.com/projects/glennf/flong-time-no-see/posts/4627201

While you’re reading the update, consider backing my book—this story will be added to it!

🆕 on Cloudflare Radar: a lightweight network quality test measuring upload/download speeds and idle/loaded latency.
📈 It also shows how your results compare to the averages for your your country/region and ISP.
➡️Try it out at https://radar.cloudflare.com/speedtest

Recently analysis from my colleague @jschauma on #IPv6 adoption:

https://www.netmeister.org/blog/ipv6-adoption.html

Periodic reminder to enable IPv6 on HTTP(S) services you or your company host if you haven't done so already!

IPv6 Adoption in 2026

IPv6 is over 30 years old now, so 2026 is definitely going to be the year where we see universal adoption. Uhuh, right.

My latest post for the Cloudflare Blog:
Bringing more transparency to post-quantum usage, encrypted messaging, and routing security

https://blog.cloudflare.com/radar-origin-pq-key-transparency-aspa/

(via https://mastofeed.org)

Bringing more transparency to post-quantum usage, encrypted messaging, and routing security

Cloudflare Radar has added new tools for monitoring PQ adoption, KT logs for messaging, and ASPA routing records to track the Internet's migration toward more secure encryption and routing standards.

The Cloudflare Blog

65% of client HTTPS request traffic is post-quantum encypted. But what does server-side PQ support look like? A new Radar graph tracks PQ support across customer origins, and a new tool enables users to test any Web server for PQ support.

Learn more at https://radar.cloudflare.com/post-quantum

We're now publishing Key Transparency audit data for E2EE messaging apps on Cloudflare Radar, showcasing the Key Transparency logs that Cloudflare audits, providing a window into the health and activity of these critical systems.

Learn more at https://radar.cloudflare.com/key-transparency

#ASPA is an emerging standard intended to help further improve routing security. You can now track ASPA deployment at a global, country/region, and ASN level on Cloudflare Radar, including real-time searching for ASPA entries.

Explore it at https://radar.cloudflare.com/routing#rpki-aspa-deployment

#RPKI