Authors

Emile Aben

Based in Amsterdam, NL

104

Articles

806

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About the author

I'm a system architect/research coordinator at the RIPE NCC, where I work in the science group. 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. I'd like to bring research and operations closer together, ie. do research that is operationally relevant. When I'm not working I like to make music (electric guitar, bass and drums), do sports (swimming, (inline) skating, bouldering, soccer), and try to be a good parent.

Measuring More Internet with RIPE Atlas

Measuring More Internet with RIPE Atlas

9 min read

RIPE Atlas collects a lot of measurements. But how much of the Internet are we actually measuring? We had a sense that with a limited amount of extra load on the system, we could dramatically increase the number of router IPs seen on a given day in RIPE Atlas - and that means measuring more of the …

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Does the Internet Route Around Damage? A Case Study Using RIPE Atlas

Does the Internet Route Around Damage? A Case Study Using RIPE Atlas

11 min read

The Internet has a robust infrastructure that was designed to route around damage. But how well does it do this? We use RIPE Atlas to look at how large-scale disruptions in the Internet's core infrastructure affect end-to-end connectivity on the Internet.

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A Tale of BGP Collectors and Customer Cones

A Tale of BGP Collectors and Customer Cones

11 min read

When operators and researchers use data from BGP route collectors such as RIS and Route Views, it's not easy to tell if a path announced to a collector is an ISP's customer cone, an internal route, or one learned from peering or transit. In this post we look at what information we can currently get…

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Has the Routability of Longer-than-/24 Prefixes Changed?

Has the Routability of Longer-than-/24 Prefixes Changed?

6 min read

In October 2014 we started announcing a few longer-than-/24 prefixes and determined they were not very visible according to the Routing Information Service (RIS) and RIPE Atlas measurements. Now, almost a year later, we revisit this.

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The Internet in North Korea - Hanging by a Single Thread?

The Internet in North Korea - Hanging by a Single Thread?

13 min read

North Korea is one of the most secluded countries in the world, but it is nonetheless connected to the Internet. We investigate North Korea's Internet connectivity in light of recent outages and discuss the fragile nature of its setup.

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