Measurements and Statistics

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Four Years of RIPE Atlas Anchors

Four Years of RIPE Atlas Anchors

Alun Davies

5 min read

Four years have passed since the RIPE NCC announced its plans to put RIPE Atlas anchors into production. Since the first anchors went online in 2013, we’ve been working hard to both maintain and expand the network. As a result, we currently have 238 anchors deployed across 66 countries!

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Preparing for the 2016 Leap Second

Preparing for the 2016 Leap Second

Stephen Strowes

8 min read

On 31 December this year, we're scheduled for another leap second. There are many stories about what leap seconds can do to infrastructure and applications, and rituals are built up around them. Such rituals stem from reality: leap seconds trigger poorly-tested code paths and run contrary to assump…

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RIPE Atlas Success Story: Zoom-in on Germany

RIPE Atlas Success Story: Zoom-in on Germany

Vesna Manojlovic

3 min read

Here is an example of how cross-pollination between two or more communities can create success. An overlap between IETF participants, RIPE Atlas users and listeners of a popular German podcast has led to growth in the deployment of RIPE Atlas probes (hardware devices that measure Internet infrastru…

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RIPE Atlas: Countering Hardware Issues with Better Firmware

RIPE Atlas: Countering Hardware Issues with Better Firmware

Robert Kisteleki

4 min read

As RIPE Atlas is expanding, it is approaching the magical milestone of 10,000 probes. However, as our public graphs also illustrate, the expansion has slowed down recently.

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Internet Access Disruption In The Gambia - 2016

Internet Access Disruption In The Gambia - 2016

Emile Aben

4 min read

We had a look at various RIPE NCC data sets to see what we can learn from yet another country-wide Internet outage in 2016.

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Ambassador, You Are Spoiling Us

Ambassador, You Are Spoiling Us

Vesna Manojlovic

3 min read

At the RIPE NCC, we are grateful for the contribution RIPE Atlas ambassadors make to the success of the RIPE Atlas measurements platform. In this article, we focus on a handy RIPEstat tool that can be used to visualise the results of their efforts. The tool provides a historical view of country-spe…

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Reasons Dynamic Addresses Change

Reasons Dynamic Addresses Change

Ramakrishna Padmanabhan

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

Changes to RIPE Atlas API Keys

Alun Davies

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?

Large BGP Communities - Largely Accepted Now?

Emile Aben

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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