RACI
Talented researchers in the field of Internet technology share their work with the RIPE community as part of the RIPE Academic Cooperation Initiative (RACI). Successful applicants receive complimentary tickets, travel, and accommodation to attend meetings and get the opportunity to present their research to some of the leading technical figures in the Internet world.
Successful RACI Applicants for RIPE 91

Dirk Doesburg, Radboud University
RACI
“PQC for the RPKI”
Plenary: Monday, 20 October at 16:00-17-30
Graduated in Cyber Security at Radboud University in the Netherlands, and did a MSc thesis at SIDN Labs about PQC for the RPKI.

Shreyas Konjerla, TU Delft
RACI
“Back to the Future: Security Analysis of NTP Clients”
Plenary: Tuesday, 21 October at 11:00-12:30
Graduated Masters in Computer Science from TU Delft. Followed the Cybersecurity Special Program and the Data Science Track.

Calin Olaru, Delft University of Technology
RACI
“NTPinfo - Application for measuring NTP servers accuracy and more”
Plenary: Tuesday, 21 October at 11:00-12:30
I am a Bachelor's Computer Science student at Delft University of Technology. I am particularly passionate about the fields of Cyber Security and Computer Networks. My team and I, as the final project of the 2nd year, have developed a tool allowing users to measure the accuracy of their NTP servers, which we would like to showcase today.

Yury Zhauniarovich, TU Delft
RACI
“The File That Contained the Keys Has Been Removed: An Empirical Analysis of Secret Leaks in Cloud Buckets and Responsible Disclosure Outcomes”
Security WG: Tuesday, 21 October at 16:00 ‐ 17:30
Dr. Yury Zhauniarovich is an Assistant Professor in Cybersecurity at the Technology, Policy and Management (TPM) faculty at TU Delft. Previously, he worked both in industry and academia. He is interested in network measurements, mobile security, and security data analytics.

Orlando Eduardo Martínez-Durive, Universidad Carlos III de Madrid
RACI
“What happens when you overshare? A Look into the BGP Maximum-Prefix Feature”
Routing WG: Wednesday, 22 October at 11:00 ‐ 12:30
Orlando is an ML researcher at NetAI and a postdoctoral researcher at IMDEA Networks Institute. He holds a PhD in Telematics Engineering from the Universidad Carlos III de Madrid (UC3M). His research interests include remote sensing and large-scale data analysis. He has collaborated with academic researchers from various countries and major European industry leaders, including Telefónica and Orange. He has completed internships at Telefónica Innovación Digital in Madrid, the Network Science Institute at Northeastern University in Boston, and Cisco ThousandEyes. His work has been presented at leading conferences, including IEEE INFOCOM, ACM IMC, IEEE SECON, and TMA. Outside academia, he enjoys science communication and has participated as an exhibitor at the Madrid Science Fair from 2023 to 2025.

Bart Batenburg, University of Twente
RACI
“IPv6’s Unintended Fingerprints: Extracting Insights from EUI-64”
IoT WG: Thursday, 23 October at 14:00 ‐ 15:30
Bart Batenburg is a Junior Network Engineer at Novoserve, where he focuses on the maintenance and scaling of the infrastructure needed to support more than 7000 bare metal servers. He is currently completing a Master's degree at the University of Twente in Network Science and Technology, with a thesis on the topic of EUI-64 IPv6 addresses.

Andrew Losty, University College London
RACI
“Towards Operational and Security Best Practices for DNS in the Internet of Things”
Plenary: Friday, 24 October at 09:30-10:30
Andrew Losty is a PhD candidate in Electronic and Electrical Engineering at University College London (UCL), where he is also affiliated with the UCL Centre for Doctoral Training in Cybersecurity. His research focuses on the privacy, security, and operational behavior of Internet of Things (IoT) devices with the objective of improving both the personal privacy and the protection of IoT devices.
Before commencing his doctoral studies, he gained professional experience in a commercial environment, where his career focused on network switching, routing, and security systems. His work encompassed both wired and wireless implementations, through which he designed and deployed comprehensive solutions for commercial, governmental, and educational sectors.

Maynard Koch, TU Dresden
RACI
“Transparent DNS Forwarders: On the misuse potential in DNS amplification attacks”
Plenary: Friday, 24 October at 11:00-12:00
I am a PhD student and research associate at the Chair of Distributed and Networked Systems at TU Dresden, supervised by Prof. Dr. Matthias Wählisch. Before joining TU Dresden, I graduated with a BSc and MSc in Computer Science from Freie Universität Berlin. My research focuses on Internet measurements to improve network security. I'm particularly interested in DNS and scalable IPv6 scanning.

Thomas Daniels, KU Leuven
RACI
“RegCheck: A Real-Time Approach for Flagging Potentially Malicious Domain Name Registrations”
Security WG: Tuesday, 21 October at 16:00 ‐ 17:30

Savvas Kastanakis, University of Twente
RACI
“Popular BGP Prefixes”
Poster session
Savvas is a Postdoctoral Researcher in the Design and Analysis of Communication Systems (DACS) group at the University of Twente. Savvas holds a B.Sc., an M.Sc. and a Ph.D. in Computer Science. His work focuses on Internet Measurement projects, particularly on Interdomain Routing Attacks, such as Prefix Hijacking and Route Leaks.
His research interests include:
- Computer Networking
- Internet Measurements
- Internet Routing Security
His practical skills include:
- Programming interactive applications
- Creating and verifying simulated setups for testing
- Orchestrating measurements for gathering and analyzing real-world data
Savvas studies the aforementioned concepts both from a theoretical (modeling, analysis, and optimization) and applied (system design, real experiments) point of view.