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Daniel Karrenberg

Location: Western Europe, NL&DE mostly

Daniel Karrenberg is chief scientist at the RIPE NCC, the regional Internet registry for Europe and surrounding areas. He advises on research, creation and piloting of new services as well as general strategy development. A computer scientist by training, Daniel likes to invent, design and implement Internet related systems, especially those collecting and processing data about the Internet itself. He also likes to occasionally inject physics, engineering and "networking style" into debates about Internet governance. ------------ Daniel maintains his public bio on linkedin. ------------ Ample information about his past sins can be found using your favourite search engine. Following are a few additional keywords you might use, arranged by decade. 1980s: GUUG EUUG EUnet unido mcvax cwi RARE iepg RIPE / 1990s: RIPE+NCC rir iana postel terena ebone centr / 2000s: dnsmon nsd ris internet+society rssac / 2010s: ripe+labs ripestat ripe+atlas

Pages created by Daniel Karrenberg

RIPE Atlas Fun: Map a RIPE Atlas Anchor
RIPE Atlas Fun: Map a RIPE Atlas Anchor
Daniel Karrenberg — Nov 27, 2013 11:35 AM

View maps based on RIPE Atlas traceroute measurements. Compare the maps to the ISP's description of their topology. See the potential of RIPE Atlas for mapping the packet layer topology. Learn about experimental tools you can use yourself to explore. Make suggestions for further work.

Conclusions Drawn from Reverse DNS Event
Daniel Karrenberg — Dec 21, 2012 11:55 AM

On Wednesday 13 June 2012, an unknown error caused the removal of several zone files from the configuration of our reverse DNS provisioning system. Following up from the initial report published on RIPE Labs, we further analysed what caused the incident and implemented a number of procedures to decrease the likelihood of this happening in the future.

Registration History for Members - A Demo
Registration History for Members - A Demo
Daniel Karrenberg — Sep 11, 2012 11:25 AM

RIPE NCC members can browse RIPE database objects with history in RIPEstat for a couple of weeks as a demonstration. Please check it out and let us know what you think.

Root Servers in Member Networks
Root Servers in Member Networks
Daniel Karrenberg — Sep 06, 2012 04:25 PM

In addition to the existing global and local instances of K-root, we propose member instances of K-root. This article describes the benefits and how this will be implemented during the pilot phase.

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