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Kentik Network Analysis Center

BGP Leak Leads to Spike of Misdirected Traffic

March 11, 2024
On 11 March 2024, Russian mobile operator MTS PJSC (AS8359) leaked tens of thousands of BGP routes learned from HKIX (Hong Kong Internet Exchange, AS4635), misdirecting traffic for destinations around the world.

First spotted by our friends over at Qrator Labs, this BGP leak, which began at 07:56 UTC, affected companies peered at HKIX (AS4635).

Kentik’s aggregated NetFlow data, depicted in the attached graphic, revealed a large spike in traffic volume directed along the BGP edge 8359_4635, showing the operational impact of the latest routing snafu. The top three destinations for the misdirected traffic was Hong Kong, Indonesia and Australia.

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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