Measurements and Statistics

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Measuring IPv6 at Web Clients and Caching Resolvers (Part 2: Country Level and other Statistics)

Measuring IPv6 at Web Clients and Caching Resolvers (Part 2: Country Level and other Statistics)

Emile Aben

13 min read

In Part 1 of this article we showed some statistics on IPv6 at end-users and at caching DNS resolvers. In this part will dig deeper into the data we collected and show details on mobile device use of IPv6, country- and city-level IPv6 deployment numbers, and AS-level statistics.

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Measuring IPv6 at Web Clients and Caching Resolvers (Part 3: Methodology)

Measuring IPv6 at Web Clients and Caching Resolvers (Part 3: Methodology)

Emile Aben

8 min read

In Part 1 and Part 2 of this article we showed various statistics on IPv6 measurements of web clients and caching resolvers. In this part we explain how the measurements were done.

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Measuring IPv6 at Web Clients and Caching Resolvers (Part 1)

Measuring IPv6 at Web Clients and Caching Resolvers (Part 1)

Emile Aben

7 min read

It is important to keep an eye on how the IPv6 Internet develops. We wrote a script to measure the IPv4 capability, IPv6 capability and IPv4/IPv6 preference of end-users visiting our site. What is unique about this script is that it allows us also to measure the caching DNS resolver that the end-us…

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Find Abuse Handler Details Using the Abuse Finder

Find Abuse Handler Details Using the Abuse Finder

Paul Palse

4 min read

The RIPE Database contains a lot of useful information about who to contact in case of network abuse or spam. But sometimes it can be difficult to find the right abuse handler information for a network resource in the RIPE Database. We developed an Abuse Finder tool that will make it easier.

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A Look at DNS Priming Queries to K-root

A Look at DNS Priming Queries to K-root

Emile Aben

8 min read

In this article we take a look at DNS priming queries arriving during the deployment of a DNSSEC signed zone at the DNS root servers. We are specifically looking for potential problems as a result of this deployment.

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IPv4 Address Allocation Rates

IPv4 Address Allocation Rates

Robert Kisteleki

5 min read

On 30 January 2010 the RIR system reached a small milestone: on this day APNIC has surpassed the RIPE NCC in terms of total allocated/assigned IPv4 address space, as seen in the RIR stats files. On this occasion we decided to look a bit into how IPv4 allocation/assignment rates changed over the las…

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Members and Their Number Resources

Members and Their Number Resources

Daniel Karrenberg

2 min read

In the previous article we looked at membership growth over the years. In this article we will see how RIPE NCC Internet number resources are distributed among the membership, as of 1 January 2010.

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RIPE NCC Membership Growth

RIPE NCC Membership Growth

Daniel Karrenberg

4 min read

With the year 2009 behind us, here is a quick look at some RIPE NCC membership demographics.

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Measuring DNS Transfer Sizes - First Results

Measuring DNS Transfer Sizes - First Results

Daniel Karrenberg

9 min read

Here are the first results of our DNS transfer size measurements. We are interested to determine any possible problems for users of K-root once it starts giving DNSSEC responses to resolvers that request them. DNSSEC responses are significantly larger than current responses. We are interested to le…

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