Geographically locating an IP address is of interest for many purposes. There are two major
ways to obtain the location of an IP address: querying commercial databases or conducting …

Bandwidth testing measures the access bandwidth of end hosts, which is crucial to
emerging Internet applications for network-aware content delivery. However, today's …

Recent years have witnessed the rapid growth of mobile virtual network operators (MVNOs),
which operate on top of existing cellular infrastructures of base carriers, while offering …

Access bandwidth measurement is crucial to emerging Internet applications for network-
aware content delivery. However, today's bandwidth testing services (BTSes) are slow and …

Recent years have witnessed the rapid growth of mobile virtual network operators (MVNOs),
which operate on top of the existing cellular infrastructures of base carriers while offering …

Using a toolbox of Internet cartography methods, and new ways of applying them, we have
undertaken a comprehensive active measurement-driven study of the topology of US …

IoT plays an important role in cellular networks, and its need for global connectivity is driving
the rise of Global IoT Providers. These provide service by aggregating multiple mobile …

In the rapidly evolving field of mobile communications, the demand for seamless worldwide
connectivity for Internet of Things (IoT) devices introduces distinct challenges. With IoT …

The specialness of New Year eve traffic is a telecoms industry fable. But how true is it, and
what's the impact on user experience? We investigate this on the four UK cellular networks …

In this paper, we analyze the tradeoff between the profits gained by mobile virtual network
operators (MVNOs) in an orthogonal frequency division multiple access (OFDMA)-based …