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All IP Addresses Are Equal? "dot-zero" Addresses Are Less Equal

All IP Addresses Are Equal? "dot-zero" Addresses Are Less Equal

Stéphane Bortzmeyer

4 min read

In theory, all IP addresses are the same, and you can allocate them at random without a problem. 192.168.1.2 is certainly not better or worse than 192.168.1.15, right? But, in practice, certain IP addresses are regarded as "special" by some implementations and do not yield the same user experience.…

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RIPE Atlas Midsummer 2013 Community Update

RIPE Atlas Midsummer 2013 Community Update

Vesna Manojlovic

9 min read

The RIPE Atlas community has been very active recently. This article highlights new community related features, and announcements related to RIPE Atlas anchor hosts, sponsors and "ambassadors". And it brings you lots of pretty pictures!

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RIPEstat's Multiple Widget and Resource Comparison

RIPEstat's Multiple Widget and Resource Comparison

Suzanne Taylor

7 min read

RIPEstat users can now compare results for multiple resources across multiple widgets in a new comparison page - and share the results with others using the permalink feature. Here we describe several use cases where this new functionality might come in handy.

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IPv6 Security - An Overview

IPv6 Security - An Overview

Johannes Weber

7 min read

The advent of IPv6 changes not only the network components, but also the security field shifts. We see new types of attacks or at least variations of the attacks we know from IPv4. This article provides an overview of the IPv6 security vulnerabilities that arise with the launch of IPv6.

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Evaluating the Effectiveness of Happy Eyeballs

Evaluating the Effectiveness of Happy Eyeballs

Vaibhav Bajpai

4 min read

The IETF has developed solutions that promote a healthy IPv4 and IPv6 co-existence. The happy eyeballs algorithm for instance, provides recommendations to application developers to help prevent bad user experience in situations where IPv6 connectivity is broken. We study the effectiveness of the ha…

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How Many RIPE Atlas Probes Believe They Have IPv6 (But Are Wrong)?

How Many RIPE Atlas Probes Believe They Have IPv6 (But Are Wrong)?

Stéphane Bortzmeyer

4 min read

To check the connectivity of an IPv6 device with RIPE Atlas, one typically asks N probes to ping the target and deduces the reachability of the target from the percentage of failures. But RIPE Atlas probes, like many IPv6 devices, often believe they are IPv6-connected while they are not.

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12
One Year Later: Who's Doing What With IPv6?

One Year Later: Who's Doing What With IPv6?

Antony Gollan

6 min read

On the anniversary of the World IPv6 Launch, this article takes a look at the readiness of networks to deploy IPv6, using statistics from the RIPE NCC service region and beyond.

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RIPEstat Demo Summary: RIPE 66

RIPEstat Demo Summary: RIPE 66

Suzanne Taylor

16 min read

This is the first RIPEstat demo summary since RIPE 65. Since that time, there have been a lot of exciting new developments we couldn't wait to share with you! The demo was given during the RIPE 66 Meeting in Dublin, where users had the chance to meet the developers and ask questions face to face.

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RIPE Atlas Code for Analysis and Statistics Reporting

RIPE Atlas Code for Analysis and Statistics Reporting

Rene Wilhelm

8 min read

We are releasing the code we use to analyse RIPE Atlas measurements and produce summary statistics. This will make processing these measurement results easier for the community. We're also inviting you to participate in improving this further.

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IPv6 RIPEness - Implementing the Fifth Star

IPv6 RIPEness - Implementing the Fifth Star

Emile Aben

8 min read

In this article we present the first publicly available beta version of the fifth IPv6 RIPEness star. This measures real IPv6 deployment from LIRs in the RIPE NCC service region. The methodology is what we think to be the best compromise yet between simple and fair. In this first version, 573 LIRs …

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