IODA (Internet Outage Detection and Analysis)

Attacks on Internet infrastructure in Ukraine are visible in IODA in near realtime at the county, region, and network level: ioda.inetintel.cc.gatech.edu/asn/41039-UA...

Beginning at 06:20 UTC on Oct-2, a segment of the C2C submarine cable system went down impacting internet service in the Philippines. Service was restored at 05:20 UTC the following day. InfiniVAN (AS135607) was one of the most impacted networks. ioda.inetintel.cc.gatech.edu/asn/135607-P...

The outage, which occurred during regional elections, is also visible on @ioda.live: ioda.inetintel.cc.gatech.edu/region/3490?... ioda.inetintel.cc.gatech.edu/region/3492?... ioda.inetintel.cc.gatech.edu/region/3489?... ioda.inetintel.cc.gatech.edu/region/3417?...

Multiple waves of internet outages in #Ukraine yesterday captured by @ioda.live: Wave 1 (02:12 UTC on Sep-27): Affected networks: AS51622, AS20934, AS21312, AS50581, AS208139, AS35562, AS25082, AS42824, AS43497, and several more. ioda.inetintel.cc.gatech.edu/asn/51622?fr...

Kamchatka outage captured in @ioda.live: ioda.inetintel.cc.gatech.edu/region/3492?...

The ongoing Internet shutdown in Pakistan's Azad Jammu and Kashmir is nearing 2-week duration. The shutdown was put into place after protests related to electoral representation for Pakistan-administered Kashmir. Follow connectivity in near realtime: ioda.inetintel.cc.gatech.edu/region/3083?...

The IODA team and Project Ainita 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. ioda.inetintel.cc.gatech.edu/reports/from...

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...

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

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...

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...

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...

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/...

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...

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...

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...

‼️ 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

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...

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...

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...

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

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

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...

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...

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...

Sudden drop in IPv6 traffic to Iran at 11:49 UTC today (Jan-8) as the country's govt continues to selectively block internet access in an effort to staunch a growing protest movement. #IranProtests

The impact of Hurricane Melissa in Jamaica is visible in IODA. Active Probing shows steady decline by ~20%. This decline in Internet connectivity appears driven by ISP FLOW Jamaica. Near realtime Internet connectivity data in Jamaica: ioda.inetintel.cc.gatech.edu/country/JM?f...

🚀 This week we're thrilled to be at @acm-imc.bsky.social! Excited to be co-hosting the IMC #Hackathon on Halloween in collaboration w/ M-Lab, @ioda.live, @internetsociety.bsky.social, @radar.cloudflare.com, IIJ, and Sorbonne University: conferences.sigcomm.org/imc/2025/eve... 🎃👻 #IMC2025

IODA collaborated with @filter.watch and ASL19 to co-author a report on the 2025 shutdown of the Internet in Iran during the war with Israel. Key contributors included @radar.cloudflare.com @eldomador.bsky.social @ooni.org and more! Access the report here: filter.watch/english/2025...

Internet shutdown in northeastern Pakistan to quell protests captured by @ioda.live: ioda.inetintel.cc.gatech.edu/region/3083?... x.com/pakistanwall...

The country-wide, government-ordered shutdown in Afghanistan is visible in IODA. Starting at 5:00 PM local time, the shutdown is ongoing. Follow connectivity in Afghanistan in near realtime: ioda.inetintel.cc.gatech.edu/country/AF?f...

The IODA team is excited to announce the release of new data that aims to measure generalized throttling, using IODA's Active Probing signal. Please come chat with us in the OMG Village at Global Gathering to learn more! ioda.inetintel.cc.gatech.edu/reports/shin...