Measurements and Statistics

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RIPE Atlas - First Results

RIPE Atlas - First Results

Robert Kisteleki

4 min read

Since the first RIPE Atlas probes we handed out at the RIPE Meeting in Rome in November 2010, a lot of progress has been made. There is a lot of interest in these probes and in the measurement results. We were happy to see that we surpassed our original goals quite quickly. Now the number of probes…

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RIPE NCC Measurements for World IPv6 Day

RIPE NCC Measurements for World IPv6 Day

Emile Aben

6 min read

As announced earlier, the RIPE NCC is going to measure World IPv6 Day. This article details the measurements we intend to do.

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Using the ‘Maximum Length’ Option in ROAs

Using the ‘Maximum Length’ Option in ROAs

Alex Band

4 min read

In the resource certification system you specify your routing policy via Route Origin Authorization (ROA) objects. One of the options you can set is the ‘Maximum Length’, which specifies the maximum length of an IP address prefix that the AS is authorised to advertise. In this article we will analy…

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Resource Certification Statistics

Resource Certification Statistics

Alex Band

5 min read

Since we started providing the certification service on 1 January 2011, many LIRs made use of the service. In this article you can see some graphs showing the number of certificates in place today, as well as certified address space.

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Unsolicited Internet Traffic from Libya

Unsolicited Internet Traffic from Libya

Emile Aben

7 min read

Amidst the recent political unrest in the Middle East, researchers have observed significant changes in Internet traffic and connectivity. In this article we tap into a previously unused source of data: unsolicited Internet traffic arriving from Libya. The traffic data we captured shows distinct c…

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6to4 - Why is it so Bad?

6to4 - Why is it so Bad?

Emile Aben

8 min read

In a previous article we measured that a large percentage of 6to4 connections fail. In this article we show our attempts to find out why these connections fail.

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New and Improved RIPE Registry Global Resource Service

New and Improved RIPE Registry Global Resource Service

7 min read

We have redesigned and improved the way we mirror other databases. We now have a method of translating the operational data from other registries (for instance from other Regional Internet Registries or the RADb) into the RIPE Database structure.

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