Measurements and Statistics

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RIPE Atlas Fun: Map a RIPE Atlas Anchor

RIPE Atlas Fun: Map a RIPE Atlas Anchor

Daniel Karrenberg

14 min read

View maps based on RIPE Atlas traceroute measurements. Compare the maps to the ISP's description of their topology. See the potential of RIPE Atlas for mapping the packet layer topology. Learn about experimental tools you can use yourself to explore. Make suggestions for further work.

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Network Anomaly Detection – Do We Know What to Detect?

Network Anomaly Detection – Do We Know What to Detect?

Jan Rejchrt

3 min read

Network anomalies are not understood the same way among the network experts. However, establishing a unified view is important for the development of anomaly detection tools. The survey described below will help to develop such a unified view.

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New gTLD Concerns: Dotless Names and Name Collisions

New gTLD Concerns: Dotless Names and Name Collisions

Geoff Huston

27 min read

In the long discussions about the new generic Top level Domains (gTLD), there were two technical topics that were the subject of many assertions and little in the way of observed data. The first concerned the viability of a so-called "dotless" name, where the gTLD label itself contains an IP addres…

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Measuring Google's Public DNS

Measuring Google's Public DNS

Geoff Huston

34 min read

Much has been said about how Google uses the services they provide, including their mail service, their office productivity tools, file storage and similar services, as a means of gathering an accurate profile of each individual user of their services. The company has made a very successful busines…

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Typhoon Haiyan - What we see in RIPEstat and RIPE Atlas

Typhoon Haiyan - What we see in RIPEstat and RIPE Atlas

Emile Aben

12 min read

As one of the strongest typhoons on record, Haiyan is feared to have a devastating effect on the Philippines. We looked for evidence of its effects on the country's core Internet infrastructure. At first glance, the typhoon's impact on core Internet infrastructure appears to be modest. This is in …

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Announcing the RIPE Atlas Anchors Service

Announcing the RIPE Atlas Anchors Service

Suzanne Taylor

8 min read

RIPE Atlas anchors is now a full production service. We are actively seeking applications from those interested in and capable of hosting a RIPE Atlas anchor in their own networks. Find out what RIPE Atlas anchors are all about, the benefits of hosting an anchor, and how you can get involved.

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How “National” is the Dutch Critical IP Infrastructure?

How “National” is the Dutch Critical IP Infrastructure?

Benno Overeinder

10 min read

After the publication of the Critical Infrastructure Protection report more than ten years ago, we asked ourselves how critical infrastructure companies are interconnected, how resilient these connections are, and to which extent they are dependent on foreign entities.

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RIPE Atlas Terms and Conditions for Anchor Hosts

RIPE Atlas Terms and Conditions for Anchor Hosts

Vesna Manojlovic

6 min read

RIPE Atlas anchors is transitioning from a pilot project to a production service. As such, we want to clarify the terms and conditions that describe the use of the service and spell out both the user's and the RIPE NCC's obligations. Here we present a draft of these documents and ask for feedback, …

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RIPE Atlas - Packet Size Matters

RIPE Atlas - Packet Size Matters

Emile Aben

15 min read

This new RIPE Labs article talks about trying to send large packets over the Internet. Above a certain size, these packets will have to be fragmented, which is known to cause problems. In both IPv4 and IPv6, we see approximately 10% of RIPE Atlas probes that are unsuccessful in pings with fragmente…

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Internet Disruptions in Sudan

Internet Disruptions in Sudan

Emile Aben

5 min read

Significant Internet disruptions are happening in Sudan, possibly as a reaction to riots. We use RIPE NCC tools to get a better understanding of what is going on.

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