Kentik - Network Observability
Kentik Network Analysis Center

BGP Routing Leak Causes Spike of Misdirected Traffic

June 3, 2021
On 3 June 2021, Russian telecom CIREX (AS199599) leaked thousands of BGP routes, misdirecting traffic for destinations around the world.

First spotted by our friends over at Qrator Labs, the BGP leak affected companies from countries around the world. Aggregated Kentik netflow data, depicted in the attached graphic, revealed a large spike in traffic volume directed through AS199599 showing the operational impact of the latest routing snafu.

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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