Chongyang (Ben) Du

Ben is a PhD student at the University of California, San Diego in the Department of Computer Science and Engineering. He is advised by KC Claffy and Alex Snoeren. His research interest is in Internet Measurement and Interdomain Routing. His current research focuses on measurement-based geolocation of IP addresses and the ecosystem of Internet address space movement. See also Chongyang's homepage.

Background

Before starting his PhD, Ben obtained my B.S. in Computer Science at UC San Diego with a minor in Organic Chemistry. He also studied Spanish and Dutch for his interest in human languages.

Last Publications

From Scarcity to Opportunity: Examining Abuse of the IPv4 Leasing Market. B. Degen, B. Du, R. Mok, R. Sommese, M. Jonker, R. Van Rijswijk-Deij, k. claffy.
Network Traffic Measurement and Analysis Conference (TMA), Jun 2025.

Sublet Your Subnet: Inferring IP Leasing in the Wild. B. Du, R. Fontugne, C. Testart, A. Snoeren, k. claffy.
ACM Internet Measurement Conference (IMC), Nov 2024.

IRRegularities in the Internet Routing Registry. B. Du, K. Izhikevich, S. Rao, G. Akiwate, C. Testart, A. Snoeren, k. claffy.
ACM Internet Measurement Conference (IMC), Oct 2023.

IRRegularities in the Internet Routing Registry. Oct 2023.

Mind Your MANRS. Oct 2023.

Chongyang was with CAIDA until August 2025.