Two interesting blog posts on RIPE Labs explore the Internet Routing Registries. These databases contain information about the prefixes originated by various Autonomous Systems. The first post explained the operation of these registries. The second post analyzes the quality of the data store in these registries.

Ookla reveals interesting data about the uplink capacity in 5G networks.

Job Snijder published his yearly summary of the evolution of the RPKI on the NANOG mailing list.

Nice video showing how passkeys work to authenticate users on web sites.

Luc de Brandere posted on LinkedIn a really nice drawing by Alix Garin to celebrate the 25th birthday of Wikipedia which continues to operate outside today’s surveillance economy.

A blog post explains why putting datacenters in space is a really bad idea in case you thought about it. Another blog post also explains why AI datacenters in space are a bad idea. On a related topic, Margo Anderson discusses in IEEE Spectrum the increased saturation of the low orbits that are used by constellations like Starlink.

There are more and more airplanes that provide Internet connectivity. Thomas Dreibholz provides detailed measurements of the performance of his connection on a transatlantic flight.

The Internet Engineering Task Force (IETF) held its first meeting forty years ago in San Diego. There were 21 participants. Today more than 8000 people participate to the IETF.

This blog aims at encouraging students who read the open Computer Networking: Principles, Protocols and Practice ebook to explore new networking topics. You can follow this blog by subscribing to its RSS feed or by following @cnp3_ebook on mastodon. Feel free to share the posts that you find interesting on your preferred social network.