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Resource Certification Statistics

Resource Certification Statistics

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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

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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?

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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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Ensuring Registry Data Quality

Ensuring Registry Data Quality

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Xavier Le Bris

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, IPv6 enabled ASes

Caidagram: Visualising Geographically Annotated Internet Measurements

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Claudio Squarcella

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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RIPEstat Live Demo #2

RIPEstat Live Demo #2

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Mirjam Kühne

4 min read

This article summarises the second RIPEstat demo session that took place today, 22 February 2011.

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First Impressions of Pollution in Two RIPE NCC Darknets

First Impressions of Pollution in Two RIPE NCC Darknets

9 min read

We partnered with several Regional Internet Registries (RIRs), including the RIPE NCC, to examine what traffic is going to unallocated IP address ranges. In this particular case, we looked at traffic going to 5/8 and 37/8.

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Three Case Studies on the Egyptian Disconnection

Three Case Studies on the Egyptian Disconnection

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Claudio Squarcella

5 min read

Roma Tre University presents three analyses related to the recent events in Egypt, proving interesting behavior in relation to the observed disconnection. We use tools like BGPlay and iBGPlay, developed for the visualisation of BGP dynamics.

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