The IODA team and @ProjectAinita@infosec.exchange have documented a measurement-based perspective of the ongoing shutdown cutting Iran off from the global Internet. The Iranian regime has morphed a "stealth Internet blackout" from June 2025 into a new Internet.
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IODA @ Georgia Tech
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mastodon 4.8.0-nightly.2026-10-06Internet Outage Detection & Analysis (https://ioda.live) project @ Georgia Tech's Internet Intelligence Lab (https://inetintel.org). We post about Internet outages worldwide. ioda-info@cc.gatech.edu
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The IODA team completed a comparative analysis of the ongoing Internet shutdown in Iran to shutdowns during Bloody November in 2019, Women Life Freedom Movement in 2022, and the Israel-Iran War in 2025. Please read and reach out with any questions.
Since Feb 28th, Iranian Internet users have not had access to the global Internet. On April 14th, the Iranian government unveiled implementation of "Internet Pro" and this access is visible in IODA's integration of Google product data.
Follow connectivity in Iran in near real-time:
https://ioda.inetintel.cc.gatech.edu/country/IR?from=1769773449&until=1776685449&view=view1
Read more about the Internet Pro from the Miaan group: https://filter.watch/english/2026/04/20/nvestigative-report-april-2026-from-the-open-internet-to-internet-sovereignty/
In addition to the ongoing shutdown of the Internet in Iran, IODA sees evidence of damage to critical Internet or power infrastructure through simultaneous drops in Routing Announcements across various networks.
For example, at ~6:00 PM local time today we see 5 networks show simultaneous drops.
Evidence of power shortage in Cuba is visible in IODA's Internet connectivity signals. The ~20% drop in Active Probing occurred earlier this month and appears similar to historic power outages visible in IODA data.
https://ioda.inetintel.cc.gatech.edu/country/CU?from=1729782277&until=1730991877
The damage to Amazon Web Services (AS16509) in Bahrain is visible in IODA with Active Probing dropping to 0% and BGP making a slight drop at 12:50 UTC.
Follow connectivity of AS16509 in near realtime:
https://ioda.inetintel.cc.gatech.edu/asn/16509-BH?from=1774544587&until=1775149387
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 IODA team wrote an article on the January 2026 Iran shutdown.
Read our analysis here: https://theconversation.com/irans-latest-internet-blackout-extends-to-phones-and-starlink-273439?utm_medium=article_native_share
IODA shows the Internet in Iran has been cutoff from the global Internet since ~7:00 AM UTC. The regime implemented a similar Internet shutdown when Israel attacked Iran in June of 2025.
Follow connectivity in Iran in near realtime:
https://ioda.inetintel.cc.gatech.edu/country/IR?from=1772201179&until=1772287579
IODA's Telescope signal is showing signs of sustained, partial recovery since ~7:30 PM Jan 24th, 2026. This is the first sign of sustained recovery of the Telescope signal, which measures unsolicited Internet traffic from Iran to the global Internet, since the shutdown began on January 8th.
Follow connectivity in Iran in near realtime: https://ioda.inetintel.cc.gatech.edu/country/IR?from=1767278957&until=1769438957
Signs of restoration of the Internet in Iran have not translated to meaningful connectivity with the global Internet for Iranians.
Signs of domestic Internet whitelisting are apparent as Google Search usage in-country ticks up.
https://ioda.inetintel.cc.gatech.edu/country/IR?from=1767708503&until=1768745303
IODA data shows that the Internet in the Republic of Congo has been offline for ~12 hours amid a government shutdown during national elections.
Follow Internet connectivity in the Republic of Congo in near realtime: https://ioda.inetintel.cc.gatech.edu/country/CG?from=1773511746&until=1773598146&view=view1
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
As of 3:30 AM IST, January 27, IODA observed a sharp increase in Active Probing. This signal measures connectivity to the global Internet by pinging devices on Iranian networks and collecting responses in order to label networks as connected.
https://ioda.inetintel.cc.gatech.edu/country/IR?from=1767792190&until=1769520190