| https://www.linkedin.com/in/dougmadory/ | |
| Blog posts | https://www.kentik.com/blog/author/doug-madory/ |
| Wikipedia | https://en.wikipedia.org/wiki/Doug_Madory |
| https://twitter.com/DougMadory |
‼️ #Russia has blocked Telegram, one of the most widely used messaging platforms in the country
https://explorer.ooni.org/findings/96225549500
OONI data suggests that many ISPs in Russia began blocking access to Telegram on 20 March 2026.
This follows blocks of other major services, including WhatsApp, Signal, Instagram, and numerous independent news outlets.
ICYMI: In December, I published a long-form piece based on the firsthand experiences of a Syria Telecom insider during the height of the civil war.
Only after the fall of Bashar al-Assad in December 2024 did this senior telecom engineer feel safe enough to tell his remarkable story.
Read it here:
https://syriauntold.com/2025/12/27/keeping-syria-connected-during-war/
I spoke with AL-Monitor for their story on the ongoing internet shutdown in Iran:
Facing a historic internet blackout, Iranians are locked in a struggle with authorities to find loopholes to get around this communications crackdown, leading to "shutdowns within a shutdown."
The ongoing Internet shutdown in Iran has been going for over 23 days, the longest in the country's history.
Read my post on the 2026 shutdowns in Iran:
https://www.kentik.com/blog/internet-and-airstrikes-tracking-irans-extended-communication-blackout/
The current, ongoing near total Internet shutdown in Iran, disconnecting Iranians from the global Internet, is now longer than the January 2026 shutdown during nation-wide protests. This makes the current shutdown the longest shutdown IODA has documented in Iran.
Follow connectivity in Iran in near realtime:
https://ioda.inetintel.cc.gatech.edu/country/IR?from=1766145666&until=1773921666&view=view1
Iran is currently enduring its longest-ever internet shutdown, which began shortly after the Feb-28 airstrikes.
My latest post covers all of 2026, outages within the whitelisted traffic, and other observations from our data. #DigitalBlackOutIran
https://www.kentik.com/blog/internet-and-airstrikes-tracking-irans-extended-communication-blackout/
In this post, we use Kentik’s traffic statistics to dig into the ongoing internet shutdown in Iran, which began within hours of American and Israeli airstrikes on February 28. This is the second shutdown of the year for Iran and its worst in history. Despite the shutdown, a small amount of whitelisted traffic continues to flow in and out of the country. Using our unique traffic data, we visualize changes within this residual traffic in recent days as the government cracks down on Iranians…
Continuing nationwide power outage in #Cuba is resulting in reduced internet traffic volumes as residents cannot get online.
Outage began at 17:40 UTC (1:40pm local) on Mar-16.
Continuing nationwide power outage in #Cuba is resulting in reduced internet traffic volumes as residents cannot get online.
Outage began at 17:40 UTC (1:40pm local) on Mar-16.
Dramatic drop in internet traffic to #Cuba at 17:40 UTC (1:40pm local) due to collapse of the country's national power grid.
https://www.cnn.com/2026/03/16/world/cuba-power-grid-collapse-intl-latam
OONI
IODA @ Georgia Tech