David Belson

Digital certificates underpin Web security and certificate transparency brings visibility into the millions of certificates issued daily.

Our new Certificate Transparency page shares a wealth of data on certificates, CAs, CT logs, and more.

radar.cloudflare.com/certificate-...

#MerkleTown

AI bots generally crawl for training, search indexing, or in response to a user action. @radar.cloudflare.com now provides a "crawl purpose" perspective on AI bot traffic trends -- see more at radar.cloudflare.com/ai-insights#...

Whatever happened to Almost Home Peanut Butter Fudge cookies?

The latest series of partial #Internet shutdowns in #Syria, intended to prevent cheating on high school exams, finished today. These shutdowns targeted mobile providers, limiting the impact.

radar.cloudflare.com/traffic/sy?d...

Nice!

Are you in my hemisphere?

A M8.8 #earthquake at 23:40 UTC off the Kamchatka Peninsula in #Russia resulted in a ~50% drop in Internet traffic from the region.

#Tsunami warnings have been issued for Japan, Alaska, Hawaii, Guam, and other Russian regions.

www.reuters.com/business/env...

x.com/USGS_Quakes/...

My latest post for the @cloudflare.social blog, looking at #Internet disruptions during the second quarter, as seen through @radar.cloudflare.com

Amidst violent clashes between Druze and Bedouins, there are reports of a government ordered #shutdown of the #Internet in As Suwayda' #Syria. IODA shows a loss of connectivity since July 14. #keepiton

Follow connectivity in As Suwayda' in near realtime:
ioda.inetintel.cc.gatech.edu/asn/29256-39...

Ouch.

I'm a VZ customer for both cell & FiOS, and nevrer got the email. I'd complain to him about that too if I had his email address...

The pastrami sandwich and tots look great, but I'm having trouble reconciling that with the crudite plate.

The latest round of #Internet shutdowns in #Syria to prevent cheating on exams concluded this morning. In contrast to previous years, only cellular connectivity was shut off this year. The next round, for high school exams, will occur July 13 - August 3.

radar.cloudflare.com/traffic/sy?d...

A fire at the historic #Ramses telecom building in Cairo Caused an #Internet disruption seen across multiple network providers. The impact began around 14:40 UTC (17:40 local).

radar.cloudflare.com/traffic/eg?d...

x.com/AlArabiya_En...

A widespread #Internet disruption in #Sudan caused traffic to drop ~50-70% at a country level at 12:00 UTC (14:00 local), with complete outages observed at Sudatel, SDN Mobitel, and MTN Sudan.

radar.cloudflare.com/traffic/sd?d...

x.com/sudan_war/st...

IODA shows what looks to be a complete Internet outage in Iran, according to our Active Probing signal. Reports indicate Iran’s domestic Internet is cutoff from International connections.

Follow connectivity in Iran: ioda.inetintel.cc.gatech.edu/country/IR?f...

The crawl before the fall… of referrals: understanding AI’s impact on content providers Cloudflare Radar now shows how often a given AI model sends traffic to a site relative to how often it crawls that site. This information can help site owners make decisions about which AI bots to all...

Cloudflare Radar now shows how often a given AI model sends traffic to a site relative to how often it crawls that site. This helps site owners make decisions about which AI bots to allow or block. blog.cloudflare.com/ai-search-cr...

This is incredible data from @dbelson.com showing HTML requests from crawlers versus referrals from that platform. Very easy to see the cost of AI here.

ClaudeBot: 70.9k requests : 1 referral (!!!)
OpenAI: 1.6K : 1
Perplexity: 202.4 : 1
blog.cloudflare.com/ai-search-cr...

Thread:

#Iran is back online as of 05:00 UTC (8:30am local).

Iran Telecom Minister:
With conditions returning to normal, the state of communication access has reverted to its previous state.
x.com/HashemiSatta...

#Internet traffic recovery in #Iran contiunues with the apparent restoration of mobile connectivity. Traffic on MTN Irancell and MCCI returned around 05:00 UTC (08:30 local) this morning. However, traffic volumes remain below pre-conflict levels.

x.com/HashemiSatta...

#Internet traffic in #Iran began to recover around 02:00 UTC (05:30 local) this morning. However, traffic levels remain well below pre-shutdown and pre-conflict levels.

radar.cloudflare.com/traffic/ir?d...

After initial disruptions a week ago, the current #Internet outage in #Iran has now been in place for two full days, with only the “National Information Network” remaining accessible.

Follow the latest at radar.cloudflare.com/traffic/ir?d...

Customers of CenturyLink (Lumen) in the United States are reportedly experiencing a widespread service disruption. Traffic volumes dropped by over 50% around 21:45 UTC. Social media posts suggest that it may be DNS-related.

radar.cloudflare.com/traffic/as20...

Near-total Internet blackout in #Iran is continuing into a second day.

Iranian govt has confirmed it is intentional:
"In order to prevent the enemy’s misuse, international Internet access has been temporarily restricted."
t.me/khabaronline... (h/t @ammir.bsky.social)

Nearly 24 hours after #Internet connectivity was cut in the country, #Iran remains offline, with the last bits of traffic disappearing around 20:00 last evening.

Follow the latest status at radar.cloudflare.com/traffic/ir?d...

According to Iran's Ministry of Communications, "International Internet access has been temporarily restricted to prevent enemy abuse"

#Internet traffic in the country is currently 98% lower than the same time a week ago.

radar.cloudflare.com/traffic/ir?d...

t.me/khabaronline...

Internet collapses across Iran, say web monitoring firms | TechCrunch It’s unclear what is causing a “near-total” internet blackout in Iran.

NEW: The internet has collapsed in Iran on Wednesday, with one web monitoring firm saying the country is “now in the midst of a near-total national internet blackout.”

“We can only see that the traffic dropped — the data doesn’t tell us why it dropped,” said CloudFlare's David Belson.

Iran is experiencing a near Internet blackout today, starting at ~5:00 PM local time. We see significant drops across networks. Some networks, including MCCI and Rightel appear to be responsive.

Follow connectivity in Iran in near realtime:
ioda.inetintel.cc.gatech.edu/country/IR?f...

At approximately 13:50 UTC, Internet traffic from Iran fell by approximately 75% amid reports that Internet connectivity had been cut nationwide.

Follow the latest status at radar.cloudflare.com/traffic/ir?d...

x.com/Ammir/status...