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Posts by IODA (Internet Outage Detection and Analysis)

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A recent target of airstrikes, Sharif University of Technology (AS12660) went offline at 23:12 UTC (2:42am local) today.

apnews.com/video/ict-bu...

@ioda.live view:
ioda.inetintel.cc.gatech.edu/asn/12660-IR...

6 days ago 2 2 0 0

The damage to Amazon Web Services (AS16509) in Bahrain is also 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:
ioda.inetintel.cc.gatech.edu/asn/16509-BH...

@amazonwebservices.bsky.social

1 week ago 4 4 0 0
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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 is the longest shutdown IODA has documented in Iran.

ioda.inetintel.cc.gatech.edu/country/IR?f...

3 weeks ago 2 1 1 0
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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.

ioda.inetintel.cc.gatech.edu/country/CU?f...

3 weeks ago 1 1 0 0

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: ioda.inetintel.cc.gatech.edu/country/CG?f...

3 weeks ago 2 1 0 0

Follow connectivity in Iran and AS58224 in near realtime:
ioda.inetintel.cc.gatech.edu/country/IR?f...

ioda.inetintel.cc.gatech.edu/asn/58224-IR...

4 weeks ago 3 0 1 0
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During the short recovery, use of Mozilla's Firefox increased sharply.

4 weeks ago 2 0 1 1
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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.

4 weeks ago 6 2 1 0

AS51431 IR-AVABARID-AS ioda.inetintel.cc.gatech.edu/asn/51431-IR...
AS49556 webdade ioda.inetintel.cc.gatech.edu/asn/49556-IR...

1 month ago 0 0 0 0

Follow connectivity in near realtime:
AS198154 parsabr- ioda.inetintel.cc.gatech.edu/asn/198154-I...
AS42337 (RESPINA-AS)
ioda.inetintel.cc.gatech.edu/asn/42337?fr...
AS51026 (MobinhostInfrastructure)
ioda.inetintel.cc.gatech.edu/asn/51026?fr...

1 month ago 0 0 0 0
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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.

1 month ago 3 3 2 0
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BGP routes belonging to the network of the Islamic Republic of Iran Broadcasting (AS42586) were completely down between ~17:00 UTC on Mar-1 and ~10:00 UTC on Mar-2.

See @ioda.live here:
ioda.inetintel.cc.gatech.edu/asn/42586?fr...

themedialine.org/top-stories/...

1 month ago 6 5 1 0
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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:
ioda.inetintel.cc.gatech.edu/country/IR?f...

1 month ago 6 8 0 0
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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.

ioda.inetintel.cc.gatech.edu/country/IR?f...

2 months ago 4 2 0 1
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IODA's Telescope signal shows signs of sustained, partial recovery since ~7:30 PM Jan 24th. This is the first sign of sustained recovery of Telescope, which measures unsolicited Internet traffic rom Iran to the global Internet since the shutdown began.
ioda.inetintel.cc.gatech.edu/country/IR?f...

2 months ago 5 2 0 1
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‼️ Last week, #Uganda experienced a 5-day internet shutdown during its 2026 general election.

Once internet access was restored, access to WhatsApp, Facebook, Instagram, and Twitter/X was blocked.

Learn more in our latest report: explorer.ooni.org/findings/352... 🐙✨

#ooni #censorship #opendata

2 months ago 4 5 0 0
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A Comparative Look at Internet Shutdowns in Iran: 2019, 2022, 2025, and 2026 On January 8th, 2026, the Iranian regime implemented an Internet shutdown amidst national protests. This shutdown is the most sophisticated and most severe in Iran’s history. IODA's longitudinal view ...

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.

ioda.inetintel.cc.gatech.edu/reports/a-co...

2 months ago 9 9 0 0
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BGP routes restored for Iran's alternate international gateway, IPM (AS6736) at 16:00 UTC on Jan-18.

Traffic volume via AS6736, however, has only experienced a tiny restoration.
ioda.inetintel.cc.gatech.edu/asn/6736?fro...

2 months ago 3 1 0 0
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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.

ioda.inetintel.cc.gatech.edu/country/IR?f...

2 months ago 2 1 0 0
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Iran’s latest internet blackout extends to phones and Starlink Iran’s internet shutdown cuts off most communication with the outside world during violent repression of national protests.

The IODA team wrote an article on the January 2026 Iran shutdown. Read our analysis here: theconversation.com/irans-latest...

2 months ago 1 1 0 0

IODA also sees signs of recovery of Internet in Iran for ISP Rightel.

ioda.inetintel.cc.gatech.edu/asn/57218-IR...

Follow connectivity in Iran in near realtime:

ioda.inetintel.cc.gatech.edu/country/IR

2 months ago 2 2 0 0

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

2 months ago 4 0 0 0
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Our estimates of comparative duration of Internet shutdowns in Iran:
- Jan 2026: 7.1449 days, 171.477 hours
- June 2025: 2.0208 days, 48.5 hours
- Sep - Oct 2022: ~100 hours of mobile only over ~2 weeks
- Nov 2019: 6.8333 days, 164 hours

2 months ago 3 2 1 0

The Ugandan government has appeared to follow through with a pre-announced Internet shutdown during national elections. IODA data confirms the drop in Internet connectivity.

Follow Internet connectivity in Uganda in near realtime:
ioda.inetintel.cc.gatech.edu/country/UG?f...

2 months ago 4 3 0 2
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IODA data confirms the ongoing, complete government-directed shutdown of the Internet in Iran since January 8th. Similar to the June 2025 shutdown during the Israel-Iran war, routing (BGP) is largely unaffected.

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

3 months ago 4 3 0 1
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Specific networks, likely with permission from the Iranian government in a policy known as whitelisting, show signs of connectivity since 11:30 UTC / 3:00 PM local time. Many appear to be research or university networks.

3 months ago 1 1 0 0
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The Internet in Iran remains largely offline since 16:30 UTC/ 9:00 PM local time.

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

3 months ago 2 1 1 0
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IODA's Active Probing measurements indicate Iran is nearly completely offline from the global Internet.

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

3 months ago 3 1 0 0
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IODA IODA (Internet Outage Detection and Analysis) monitors Internet infrastructure connectivity to identify outages.

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

3 months ago 0 0 0 0
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Iranians have experienced significant instability and disruption in Internet access since nation-wide protests started Dec 29. IODA's view of the Internet interference is most visible in Active Probing. Our Active Probing signal has shown abnormal drops Jan 1-2 and again Jan 6, 7, 8th.

3 months ago 1 0 1 0