Cloudflare measures TCP
Cloudflare looks at TCP flows as a ‘man-in-the-middle’ on your behalf, using a 1% global traffic sample to reveal session behaviour, congestion control, and surprising quirks of modern Internet connections.
Tag: measurement
BGP updates in 2025
Geoff Huston explores changes to the stability of the routing system in 2025.
BGP in 2025
Geoff Huston’s annual analysis of BGP routing table growth for 2025 and some projections.
The IPv4 address swamp: The new normal
Guest Post: Has IPv4 allocation improved in the 21st century, or are prefixes becoming smaller and more fragmented? What are the potential impacts on Internet security?
Investigating Starlink’s performance during the May 2024 solar superstorm
Guest Post: New research from IIT Kanpur uses the CosmicDance tool and RIPE Atlas data to uncover how the May 2024 superstorm impacted LEO satellites and user connectivity.
[Podcast] Going dark: Measurement when the Internet hides the detail
Geoff Huston discusses protocol privacy, RFC 7258 and how APNIC Labs measures in a world of secure protocols.
China reports major IPv6 growth
Key findings from the China IPv6 Development Report (2025), released by the Expert Committee for Promoting Large-Scale IPv6 Deployment and Application.
Mind your congestion control in the LEO satellite Internet
Guest Post: New research shows how rapid path changes in mega-constellations like Starlink can mislead conventional CCAs, and introduces LeoCC as a more robust alternative.
[Podcast] Adjusting for data source bias in Internet measurements
Emile Aben from RIPE NCC discusses AS Hegemony, and Internet outage analysis using BGP data from RIPE’s RIS and Atlas with novel visualization techniques.
How we measure: IPv6
Breaking down APNIC Labs IPv6 measurement and its caveats.