I don’t know about you, but it has been a long time since my laptop was assigned a public IPv4 address. Most of the time my laptop has a private RFC1918 IPv4 address. Rarely does my computer have a ...

As we run out of IPv4 address space, is it time to create an exchange for trading unused address blocks? Ars contributors Iljitsch van Beijnum and Timothy Lee tackle the issue. In this article, Tim ...

We all know we're running out of IPv4, the old-style Internet Protocol (IP), addresses). If you're in the network business, you know you need to start switching over to IPv6 soon. What you may not ...

Traditional NAT, as discussed in the previous article, has been used for fifteen or so years to enable the sharing of a small number of public IPv4 addresses by a larger number of privately-addressed ...

When did you first hear concern expressed about the prospect of explosive growth of the internet resulting in exhaustion of the stock of available IP addresses? About twenty years ago perhaps? All ...