Measurements and Statistics

6to4 - How Bad is it Really?

Emile Aben

• 1 Dec 2010

• 6 min read

At the recent RIPE 61 meeting in Rome and at earlier meetings, we heard that connectivity over 6to4 is not very dependable, which hampers IPv6 deployment. I wondered how bad it really is and started measuring it. This article describes what I measured and shows the results. Spoiler: It's pretty bad.

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17

RIPE Atlas Now on Five Continents

Daniel Karrenberg

• 30 Nov 2010

• 3 min read

RIPE Atlas probes are now active on five continents. After the big run on the measurement probes during the recent RIPE Meeting, the deployment is a little slower than expected; but there is a steady stream of probes coming online. We expect to make our initial goal of 300 active probes well before…

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3

LIR Portal Migration: Main Improvements

Mirjam Kühne

• 16 Nov 2010

• 4 min read

The LIR Portal is one of the most important communication tools between the RIPE NCC and its members. It has been migrated to a new system without any service interruption or significant changes for the users.

tools

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Internet Reputation Experiments for Better Security

John S. Quarterman

• 8 Nov 2010

• 19 min read

Last week we published a proposal for new organizational layers in order to be more effective in fighting spam. In this article we describe planned experiments to determine the effects of outbound spam reputation on Internet organizations.

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IPv6 RIPEness

Mirjam Kühne

• 1 Nov 2010

• 3 min read

Please find below a list of all articles related to the IPv6 RIPEness study showing how IPv6 is deployed by country, based on four different criteria.

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1

Internet Cloud Layers for Economic Incentives for Internet Security

John S. Quarterman

• 29 Oct 2010

• 15 min read

Following up from an earlier article on RIPE Labs, we now present 3 new Internet organizational layers to provide economic incentives to cooperate more on improving Internet security. What is needed is better coordination and motivation through reputational and financial incentives.

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5

Interesting Graph - AS Path Lengths Over Time

Mirjam Kühne

• 25 Oct 2010

• 4 min read

One way to determine the denseness of the Internet, or its “interconnectedness”, is to look at the path length between Autonomous Systems (ASes). And are there any differences visible when looking at IPv4 or IPv6 networks? See our findings in this article.

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6

RIPE Atlas - Pre-registration Open Now

Robert Kisteleki

• 22 Oct 2010

• 6 min read

The launch date of our new active measurements network, RIPE Atlas, is close. We already received a lot of interest and offers to host such a probe. In this article, we explain some more details about how to participate in this effort.

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2

IPv6 Crawler and Matrix

Mirjam Kühne

• 20 Oct 2010

• 5 min read

Olivier Crepin-Leblond from the Internet Society chapter in England is announcing the results of a tool they designed and implemented. It is an “IPv6 crawler" that crawls through the DNS to detect IPv6 compliant servers. The results were interesting and can be viewed on an "IPv6 Matrix" showing IP…

ipv6
tools

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2

Visibility of Prefix Lengths in IPv4 and IPv6

Devin Bayer

• 10 Oct 2010

• 6 min read

In this article we explore the relation between global network visibility as seen by the Routing Information Service (RIS) and the length of announced prefixes.

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