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Using RIPE Atlas to Validate International Routing Detours

Using RIPE Atlas to Validate International Routing Detours

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Anant Shah

12 min read

International routing detours are paths that originate in one country, visit another country and return to the original country. Such circuitous routes could occur due to intentional traffic engineering, lack of local peering, BGP misconfigurations, or even attacks. Detecting such events helps n…

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BGP in 2016

BGP in 2016

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Geoff Huston

34 min read

It has become either a tradition or a habit for me that, each January, I report on the experience with the inter-domain routing system over the past year; looking in some detail at metrics from the routing system that can show the essential shape and behaviour of the underlying interconnection fabr…

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IPv6-only at Microsoft

IPv6-only at Microsoft

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Mirjam Kühne

5 min read

Please read this guest post by Marcus Keane from Microsoft in which he describes why the organisation is moving to IPv6-only and away from dual-stack.

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DNS Measurements Hackathon 2017

DNS Measurements Hackathon 2017

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Alun Davies

7 min read

The RIPE NCC's fifth hackathon event will happen in Amsterdam, in April 2017. We would like to invite operators, designers, researchers and developers to take on the challenge and join us in developing new tools and visualisations for DNS measurements.

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DNS Root Server Transparency: K-Root, Anycast and More

DNS Root Server Transparency: K-Root, Anycast and More

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Emile Aben

8 min read

The RIPE NCC is operating K-root, one of the 13 DNS root servers. In this article we shed some light on the operational policies of K-root to clarify possible misunderstandings about how it is operated.

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The BGP Large Communities Playground

The BGP Large Communities Playground

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Pier Carlo Chiodi

4 min read

This article describes the BGP Large Communities Playground, and encourages people to utilise automated regression testing and compliance checking when developing new protocol features.

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15,000 Local Internet Registries

15,000 Local Internet Registries

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Rene Wilhelm

8 min read

On 28 December 2016, about 90 days before its 25th anniversary, the RIPE NCC reached the milestone of serving 15,000 active Local Internet Registries (LIRs). In this article we look at trends observed in the membership in the last few years. We also assess the remaining lifetime of the last bit of…

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Studying the IPv4 Transfer Market: Reported Transfers

Studying the IPv4 Transfer Market: Reported Transfers

9 min read

Over the past five years, all Regional Internet Registries (RIRs), with the exception of AFRNIC, have exhausted their pool of available IPv4 addresses. The Internet community anticipated this almost two decades ago and standardised IPv6 as a long-term solution. IPv6 uptake is, however, still laggin…

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Build your own Anycast Network in Nine Steps

Build your own Anycast Network in Nine Steps

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Samir Jafferali

13 min read

Please read this guest post by Samir Jafferali from LinkedIn in which he explains which steps he followed when setting up an anycast network: from acquiring address space to setting up routing and announcing the prefix from multiple PoPs.

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Scoring the DNS Root Server System, Part 2 – A Sixth Star?

Scoring the DNS Root Server System, Part 2 – A Sixth Star?

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Geoff Huston

19 min read

I am taking a second look at the DNS root servers, this time focusing on the ability to handle large UDP responses over IPv6.

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