Measurements and Statistics

Reasons Dynamic Addresses Change

Ramakrishna Padmanabhan

• 14 Nov 2016

• 8 min read

We look into why dynamic addresses change and find ISPs that renumber periodically, most commonly every 24 hours or a multiple of 24 hours. We also find that outages influence address changes.

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Changes to RIPE Atlas API Keys

Alun Davies

• 11 Nov 2016

• 3 min read

We’ve made some changes to RIPE Atlas API Keys with the aim of improving the experience of RIPE Atlas users. The changes are designed to boost transparency and efficiency in the way users are able to manage their API Keys.

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Large BGP Communities - Largely Accepted Now?

Emile Aben

• 11 Nov 2016

• 11 min read

Large BGP Communities are an addition to BGP that solves a communication problem between networks that want to use 32-bit AS Numbers. We measured how Large BGP Communities behave "in the wild" and if they create any problems.

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Routing Detours: Can We Avoid Nation-State Surveillance?

Annie Edmundson

• 9 Nov 2016

• 6 min read

An increasing number of countries are passing laws that facilitate the mass surveillance of their citizens. In response, governments and citizens are increasingly paying attention to the countries that their Internet traffic traverses. In some cases, countries are taking extreme steps, such as bui…

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Ethics of RIPE Atlas Measurements

Robert Kisteleki

• 7 Nov 2016

• 8 min read

This article is intended to make RIPE Atlas users aware of ethical issues that could arise when using RIPE Atlas. We do not intend to propose any new formal processes or procedures to address the relevant ethical issues, but we do want to encourage members of the RIPE Atlas community to consider th…

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IXP Tools Hackathon Results

Vesna Manojlovic

• 1 Nov 2016

• 6 min read

The fourth RIPE NCC Hackathon was as fun and productive as the previous three, with even more supporting organisations and participants. This short article aims to express our gratitude to everyone involved and to give a summary of our experiences, while several projects will be described in more d…

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A Quick Look at the Attack on Dyn

Massimo Candela

• 24 Oct 2016

• 6 min read

We used a number of RIPE NCC tools and data sets to take a quick look at the recent DDoS attack on Dyn’s infrastructure. We wanted to see if this could be found in the data produced by the RIPE Atlas community.

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IPv6 and the DNS

Geoff Huston

• 20 Oct 2016

• 19 min read

The exhortations about the Internet’s prolonged transition to version 6 of the Internet Protocol continue, although after some two decades the intensity of the rhetoric has faded and, possibly surprisingly, it has been replaced by action in some notable parts of the Internet. But how do we know the…

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Orange Blacklisting: A Case for Measuring Censorship

Stéphane Bortzmeyer

• 19 Oct 2016

• 2 min read

On 17 October 2016, a website hosted by the French Ministry of the Interior went offline when a large number of customers of the Internet service provider, Orange, were redirected to the site. The problem occurred after Google, Wikipedia and cloud provider OVH were mistakenly placed on a terrorism …