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Related papers: Measuring I2P Censorship at a Global Scale

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One of the primary ways in which India engages in online censorship is by ordering Internet Service Providers (ISPs) operating in its jurisdiction to block access to certain websites for its users. This paper reports the different…

Networking and Internet Architecture · Computer Science 2020-06-02 Kushagra Singh , Gurshabad Grover , Varun Bansal

Recent years have seen the Internet become a key vehicle for citizens around the globe to express political opinions and organize protests. This fact has not gone unnoticed, with countries around the world repurposing network management…

Cryptography and Security · Computer Science 2017-06-26 Shinyoung Cho , Rishab Nithyanand , Abbas Razaghpanah , Phillipa Gill

Generative AI is an invaluable tool, however, in some parts of the world, this technology is censored due to political or societal issues. In this work, we monitor Generative AI censorship through the DNS protocol. We find China to be a…

Computers and Society · Computer Science 2024-12-20 Harel Berger , Yuval Shavitt

We describe a method for remotely detecting intentional packet drops on the Internet via side channel inferences. That is, given two arbitrary IP addresses on the Internet that meet some simple requirements, our proposed technique can…

Networking and Internet Architecture · Computer Science 2013-12-20 Roya Ensafi , Jeffrey Knockel , Geoffrey Alexander , Jedidiah R. Crandall

The Invisible Internet Project (I2P) routes data via encrypted, decentralized tunnels. Peer selection can significantly affect security and performance. This empirical study examines whether geographic location systematically influences…

Networking and Internet Architecture · Computer Science 2026-05-15 Siddique Abubakr Muntaka , Jess Kropczynski , Jacques Bou Abdo , Murat Ozer

Anecdotal evidence suggests an increasing number of people are turning to VPN services for the properties of privacy, anonymity and free communication over the internet. Despite this, there is little research into what these services are…

Cryptography and Security · Computer Science 2019-07-10 Oliver Farnan , Alexander Darer , Joss Wright

With the success of P2P file sharing, new emerging P2P applications arise on the Internet for streaming content like voice (VoIP) or live video (IPTV). Nowadays, there are lots of works measuring P2P file sharing or P2P telephony systems,…

Networking and Internet Architecture · Computer Science 2007-05-23 Thomas Silverston , Olivier Fourmaux

Internet-wide scans are a common active measurement approach to study the Internet, e.g., studying security properties or protocol adoption. They involve probing large address ranges (IPv4 or parts of IPv6) for specific ports or protocols.…

Networking and Internet Architecture · Computer Science 2019-01-23 Jan Rüth , Torsten Zimmermann , Oliver Hohlfeld

Internet censorship in the Islamic Republic of Iran restricts access to global platforms and services, forcing users to rely on circumvention technologies such as VPNs, proxies, and tunneling tools. This report presents findings from a…

Human-Computer Interaction · Computer Science 2025-09-12 Melinda Cohoon

Over the past decade, Internet centralization and its implications for both people and the resilience of the Internet has become a topic of active debate. While the networking community informally agrees on the definition of centralization,…

Networking and Internet Architecture · Computer Science 2025-04-29 Gautam Akiwate , Kimberly Ruth , Rumaisa Habib , Zakir Durumeric

Active Internet measurements face challenges when some measurements require many remote vantage points. In this paper, we propose a novel technique for measuring remote IPv6 networks via side channels in ICMP rate limiting, a required…

Networking and Internet Architecture · Computer Science 2023-05-16 Long Pan , Jiahai Yang , Lin He , Zhiliang Wang , Leyao Nie , Guanglei Song , Yaozhong Liu

This article describes a novel dataset that maps the network layer of the Invisible Internet Project (I2P). The data was collected using SWARM-I2P framework, which deployed I2P routers as a network of mapping agents that gather information…

Networking and Internet Architecture · Computer Science 2025-11-10 Siddique Abubakr Muntaka , Jacques Bou Abdo , Kemi Akanbi , Sunkanmi Oluwadare , Faiza Hussein , Oliver Kornyo , Michael Asante

The IPv4 address space is small enough to allow exhaustive active measurement, permitting important insight into Internet growth, policy, and evolution. The IPv6 address space, on the other hand, presents the problem that we can no longer…

Networking and Internet Architecture · Computer Science 2017-10-25 Stephen D. Strowes

Heightened interest from nation states to perform content censorship make it evermore critical to identify the impact of censorship efforts on the Internet. We undertake a study of Internet architecture, capturing the state of Internet…

Networking and Internet Architecture · Computer Science 2024-03-01 Joshua Levett , Vassilios Vassilakis , Poonam Yadav

Undoubtedly, the Internet has become one of the most important conduits to information for the general public. Nonetheless, Internet access can be and has been limited systematically or blocked completely during political events in numerous…

Cryptography and Security · Computer Science 2025-10-22 Yong Zhang , Nishanth Sastry

Our goal is to empirically discover how censors react to the introduction of new proxy servers that can be used to circumvent their information controls. We examine a specific case, that of obfuscated Tor bridges, and conduct experiments…

Cryptography and Security · Computer Science 2017-09-27 David Fifield , Lynn Tsai , Qi Zhong

Users around the world face escalating network interference such as censorship, throttling, and interception, largely driven by the commoditization and growing availability of Deep Packet Inspection (DPI) devices. Once reserved for a few…

Networking and Internet Architecture · Computer Science 2025-09-12 Diwen Xue , Armin Huremagic , Wayne Wang , Ram Sundara Raman , Roya Ensafi

Online social networks, such as Facebook and twitter, are a growing phenomenon in today's world, with various platforms providing capabilities for individuals to collaborate through messaging and chatting as well as sharing of content such…

Social and Information Networks · Computer Science 2020-01-14 Newton Masinde , Kalman Graffi

The DNS filtering apparatus of China's Great Firewall (GFW) has evolved considerably over the past two decades. However, most prior studies of China's DNS filtering were performed over short time periods, leading to unnoticed changes in the…

I2P (Invisible Internet Project) is a popular anonymous communication network. While existing de-anonymization methods for I2P focus on identifying potential traffic patterns of target hidden services among extensive network traffic, they…

Cryptography and Security · Computer Science 2025-12-18 Hongze Wang , Zhen Ling , Xiangyu Xu , Yumingzhi Pan , Guangchi Liu , Junzhou Luo , Xinwen Fu