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 k.root-servers.net / 2000s: dnsmon nsd ris internet+society rssac / 2010s: ripe+labs ripestat ripe+atlas
Pages created by Daniel Karrenberg
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.
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.