Measurements and Statistics

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Reaching AuthDNS - A RIPE Atlas Analysis by Region

Reaching AuthDNS - A RIPE Atlas Analysis by Region

Anand Buddhdev

10 min read

The RIPE NCC operates two independent anycast DNS services. One is K-root, a well-known service essential to DNS resolution. The other is the less well-known service, AuthDNS. We examine how queries reach AuthDNS from several regions and call for new hosts to help shorten the journey.

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Does the Internet Route Around Damage? - Baltic Sea Cable Cuts

Does the Internet Route Around Damage? - Baltic Sea Cable Cuts

Emile Aben

10 min read

This week's Internet cable cuts in the Baltic Sea have been widely reported, even as attempts to understand their cause and impact continue. We turn to RIPE Atlas to provide a preliminary analysis of these events and ask to what extent the Internet in the region has been resilient to them.

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The DNS Server That Lagged Behind

The DNS Server That Lagged Behind

Stéphane Bortzmeyer

3 min read

Around the end of October and beginning of November 2024, twenty six African TLDs had a technical problem - one of their authoritative name servers served stale data. This is a tale of monitoring, anycast, and debugging.

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War Story: RPKI is Working as Intended

War Story: RPKI is Working as Intended

Job Snijders

8 min read

Three weeks ago, Fastly was the target of a BGP hijack similar to a far more widely-reported incident that happened back in 2008. But this time, barely anyone noticed. Why is that?

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A Detailed Look at Our Recent RIPE Atlas Infrastructure Migration

A Detailed Look at Our Recent RIPE Atlas Infrastructure Migration

Robert Kisteleki

15 min read

Our recent cloud migration is one of the most significant changes to RIPE Atlas in recent years, aimed at modernising our infrastructure and reducing costs. In this article, we give you a look at what’s been happening behind the scenes, some of the complexity involved, and how we’ll be improving th…

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Streamlining RIPEstat: Building an Interface for the Future

Streamlining RIPEstat: Building an Interface for the Future

Adonis Stergiopoulos

4 min read

For several years, RIPEstat has been supporting two user interfaces - the original 2013 version and a redesigned version introduced in 2020. While each has its strengths, maintaining two separate interfaces has introduced inefficiencies for both our users and our development team. After thorough an…

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The Next Generation of BGP Data Collection Platforms

The Next Generation of BGP Data Collection Platforms

Thomas Holterbach

12 min read

Existing BGP data collection platforms face challenges that threaten their long-term sustainability: their data comes with enormous redundancy and significant visibility gaps. We explore a new BGP data collection paradigm, already implemented in a prototype called GILL, that could stir change for o…

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IXP-from-Scratch: The Peering LAN

IXP-from-Scratch: The Peering LAN

Thomas Liske

13 min read

In the third of our “IXP from Scratch” series, we discuss our setup of the peering switches and route servers at DD-IX, an Internet Exchange located in Dresden, Germany. We explain how we connect our two PoPs and which security and safety mechanisms (L2 and L3) we configured to ensure reliable oper…

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Olympeaks: The Impact of the Paris 2024 Olympics on Italy's Internet Traffic

Olympeaks: The Impact of the Paris 2024 Olympics on Italy's Internet Traffic

Flavio Luciani

4 min read

The Olympeaks observatory, a monitoring initiative from NAMEX, captured the Internet traffic profile for Italian coverage of the Olympics. Here's their view of some of the main peaks.

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A Dive Into TLD Performance

A Dive Into TLD Performance

Arnold Dechamps

8 min read

DNS is a complex set of protocols with a long history. Some TLD's go as far back as 1985 - but not all of them are built equal. And not all of them have the same performance depending on where the end user is situated in the world. So just how different are they?

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