On October 31, join several Internet measurement groups (Internet Society, IIJ, Measurement Lab, Internet Intelligence Lab / IODA, Cloudflare, OONI, and Sorbonne University) for a hackathon following the conclusion of the 2025 ACM Internet Measurement Conference (IMC) in Wisconsin, Madison!

When: 1pm - 8pm on October 31, 2025
Where: Discovery Building, 330 N. Orchard St, Madison, WI 53715
What: A hackathon open to IMC attendees and host institutions for registration. The event will focus on exploring, analyzing, and visualizing open network measurement data, aiming to develop new methods, tools, or interfaces related to Internet monitoring, censorship, shutdown events, etc. It will include knowledge-sharing sessions, discussions, and hands-on coaching from experts.

Agenda

More details including project ideas can be found in our public Google Doc agenda.

Registration Information

Registration for the Hackathon is now closed. If available seats (40 max) become available, organizers will reopen the pre-registration form.

Internet Measurement Groups

M-Lab

M-Lab is an open source project with contributors from civil society organizations, educational institutions, and private sector companies dedicated to:

Cloudflare Radar

Cloudflare Radar is a hub that showcases global Internet traffic, attack, and technology trends and insights. Cloudflare Radar is powered by data from Cloudflare’s global network, as well as aggregated and anonymized data from Cloudflare’s 1.1.1.1 public DNS Resolver.

OONI


Since 2012, OONI has openly published more than 2 billion network measurements collected from 29 thousand ASes in 242 countries and territories. These measurements have been collected and contributed by OONI Probe users around the world. Every minute, new measurements are published in near real-time.

IIJ - Internet Yellow Pages


The Internet Yellow Pages (IYP) is a graph database composed of over 60 Internet measurement datasets. IYP has been designed to facilitate the exploration and analysis of these datasets. An overview can be found in the paper “The Wisdom of the Measurement Crowd: Building the Internet Yellow Pages a Knowledge Graph for the Internet.”

Reverse Traceroute

Traceroute shows the path from a server to a client. Reverse Traceroute (RevTr) extends that visibility by measuring the path back from the client to the server. Because M-Lab servers cannot initiate traceroutes from the client side, RevTr reconstructs reverse paths using a combination of techniques.

IODA / Internet Intelligence Lab

IODA’s mission is to provide open-source, trusted, and granular measurement data on global Internet connectivity. IODA monitors connectivity of global Internet infrastructure and tracks the severity of Internet disruptions, from minor to major outages. IODA provides data at the country, subnational, and Internet Service Provider / Autonomous System level. More details can be found at https://ioda.inetintel.cc.gatech.edu/

Internet Society / ISOC

The Internet Society supports and promotes the development of the Internet as a global technical infrastructure, a resource to enrich people’s lives, and a force for good in society. ISOC facilitates open development of standards, protocols, administration, and the technical infrastructure of the Internet; supports education in developing countries specifically, and wherever the need exists, and promotes professional development and builds community to foster participation and leadership in areas important to the evolution of the Internet. ISOC’s work focuses on the Internet remaining open, globally connected, secure, and trustworthy, and seeks collaboration with all who share these goals.