RIPEstat Live Demo #3
• 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.
Measurements and Statistics
6to4 - Why is it so Bad?
Emile Aben
Emile Aben
Based in Amsterdam, NL
I'm a data scientist at the RIPE NCC. I'm a chemist by training, but have been working since 1998 on Internet related things, as a sysadmin, security consultant, web developer and researcher. I am interested in technology changes (like IPv6 deployment), Internet measurement, data analysis, data visualisation, sustainability and security. … More
• 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.
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.
Ensuring Registry Data Quality
Xavier Le Bris
Xavier Le Bris
Based in Amsterdam
I studied History in France. Computing science has always been a hobby. I joined the RIPE NCC in 2002 as a hostmaster and never left the boat. I am now a Senior Internet Resource Analyst, Part-time trainer, and part of the RIPE meeting team. More
• 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.
Caidagram: Visualising Geographically Annotated Internet Measurements
Claudio Squarcella
Claudio Squarcella
Based in Rome, Italy
PhD student at Roma Tre University. More
• 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.
RIPEstat Live Demo #2
Mirjam Kühne
Mirjam Kühne
Based in Amsterdam, The Netherlands
I wrote the articles collected here during my time as community builder of the RIPE NCC and the maintainer and editor of RIPE Labs. I have since taken on a new role serving as the Chair of the RIPE Community. You can reach my new profile via the website link … More
• 4 min read
This article summarises the second RIPEstat demo session that took place today, 22 February 2011.
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.
Three Case Studies on the Egyptian Disconnection
Claudio Squarcella
Claudio Squarcella
Based in Rome, Italy
PhD student at Roma Tre University. More
• 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.
The Shape of a BGP Update
Vasco Asturiano
Vasco Asturiano
Based in Amsterdam, NL
• 6 min read
What happens to BGP traffic when an announcement or withdrawal of an address prefix propagates through the Internet? See below some interesting graphs and observations.
RIPE NCC LIR Locator
Kaveh Ranjbar
Kaveh Ranjbar
Based in Amsterdam
As former Chief Information Officer for the RIPE NCC, I was mainly involved with the planning, operation and development of the RIPE NCC's global information services as well as research and development. This included the RIPE NCC's authoritative DNS services as well as K-root infrastructure, data collection and measurement networks … More
• 6 min read
The LIR Locator tool has been updated. It now contains a number of new options and features, including information about Local Internet Registries (LIR) with 4-star IPv6 RIPEness. The tool is mostly targeted to the members of the RIPE NCC, but also contains a public map accessible to everyone.