In Cuba there is barely any internet. Anything but the state-run TV channels is prohibited. Publications are limited to the state-approved newspapers and magazines. This is the law. But in typical Cuban fashion, the law doesn't stop a vast underground system of entertainment and news media distributors and consumers.

As the available supply of IPv4 addresses dwindles, the market for these virtual commodities is heating up. In recent months, the pace of the address transfers has greatly accelerated as evidenced by RIPE’s table of IPv4 transfers, as well as the increasing number of IPv4 brokers facilitating the exchange of IPv4 address space. However, the transfer of IPv4 address space isn’t always problem-free and, in this blog, we’ll review this new trend and some of the issues that can arise.