Measurements and Statistics

RIPE NCC Measurements for World IPv6 Day

Emile Aben

• 11 May 2011

• 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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6

RIPEstat Live Demo #4

Mark Dranse

• 19 Apr 2011

• 5 min read

This article summarises yesterday's RIPEstat demo session, including new features, changes and improvements. At the end of the article you can find the date of the next demo, and options for providing feedback.

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Using the ‘Maximum Length’ Option in ROAs

Alex Band

• 19 Apr 2011

• 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

Alex Band

• 11 Apr 2011

• 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

Emile Aben

• 23 Mar 2011

• 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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RIPEstat Live Demo #3

Mark Dranse

• 22 Mar 2011

• 5 min read

This article summarises the third RIPEstat demo session that took place today, 22 March 2011. At the end of the article you can find the date of the next demo, and options for providing feedback.

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6to4 - Why is it so Bad?

Emile Aben

• 21 Mar 2011

• 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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3

New and Improved RIPE Registry Global Resource Service

Paul Palse

• 21 Mar 2011

• 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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Ensuring Registry Data Quality

Xavier Le Bris

• 8 Mar 2011

• 6 min read

In order to ensure accurate and up to date registration data, the RIPE NCC started the Registry Data Quality project in 2009. The article below describes this activity and the problems we found and how we fixed them.

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Caidagram: Visualising Geographically Annotated Internet Measurements

Claudio Squarcella

• 28 Feb 2011

• 6 min read

Caidagram is a tool developed at CAIDA (the Cooperative Association for Internet Data Analysis). It allows the user to visualise geographically-based measurements about the Internet, focusing on trends and variations over time.

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