Kentik - Network Observability
Kentik Network Analysis Center
March 10, 2022

Large internet outages in Ukraine on March 10th

On 10 Mar 2022, we reported two large internet outages affecting Ukraine.

Ukrainian incumbent Ukrtelecom (AS6849) went down nationally at 9:35 UTC (11:35am local) for ~40min. At the same time, Triolan (AS13188) had been down nationally for over 12hrs due to reported cyber attack. Triolan has taken days to recover.

These outages were covered by several news organizations including The Record, CNN, and Forbes.

As seen in

February 15, 2022

Cyberattacks Knock Out Sites of Ukrainian Army, Major Banks

February 18, 2022

Kazakhstan’s Internet Shutdown Offers Lessons for Russia-Ukraine Crisis

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Doug Madory

Doug Madory is the Director of Internet Analysis for Kentik where he works on Internet infrastructure analysis. The Washington Post dubbed him “The Man who can see the Internet” for his reputation in identifying significant developments in the global layout of the Internet. Doug is regularly quoted by major news outlets about developments ranging from national blackouts to BGP hijacks to the activation of submarine cables. Prior to Kentik, he was the lead analyst for Oracle’s Internet Intelligence team (formerly Dyn Research and Renesys).

Twitter: @DougMadory

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