With the ongoing exhaustion of free address pools at the registries serving the global
demand for IPv4 address space, scarcity has become reality. Networks in need of address …

Given the increasing scarcity of IPv4 addresses, network operators are resorting to
measures to expand their address pool or prolong the life of existing addresses. One such …

One challenge in understanding the evolution of the Internet infrastructure is the lack of
systematic mechanisms for monitoring the extent to which allocated IP addresses are …

With the recent IPv4 address exhaustion, many networks can no longer rely on requesting
additional IPv4 addresses space. They resort to new ways to obtain addresses: buying and …

Internet Protocol (IP) addresses are a crucial resource for the functioning of the Internet.
Much like a telephone number, an IP address is assigned to every network interface (router …

There is recent evidence that the core of the Internet, which was formerly dominated by large
transit providers, has been reshaped after the transition to a multimedia-oriented network …

IP address counts are typically used as a surrogate metric for the number of hosts in a
network, as in the case of ISP rankings based on botnet infected addresses. However, due …

Researchers and practitioners often face the issue of having to attribute an IP address to an
organization. For current data this is comparably easy, using services like whois or other …

Despite prior efforts, the vast majority of the AS-level topology of the Internet remains hidden
from BGP and traceroute vantage points. In this work, we introduce metAScritic, a novel …

In just about 4 years, IPv6 will celebrate its 20th anniversary. While the protocol itself is
already quite old, its deployment has only recently picked up speed. Not so many Internet …