Routing Information in the United States

Routing statistics

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Statistics about relevant global routing table entries

ASes Registered in United States

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ASes registered in United States ranked by customer cone size, ASN, or IPv4/IPv6 announced address count

Latest BGP blog posts

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Posts tagged with "BGP" from the Cloudflare blog

An automated routing policy configuration error caused us to leak some Border Gateway Protocol prefixes unintentionally from a router at our Miami data center. We discuss the impact and the changes we are implementing as a result.

Bryton Herdes, Tom Strickx

A BGP “zombie” is essentially a route that has become stuck in the Default-Free Zone (DFZ) of the Internet, potentially due to a missed or lost prefix withdrawal. We’ll walk through some situations where BGP zombies are more likely to rise from the dead and wreak havoc.

Bryton Herdes, June Slater, Mingwei Zhang