In this chapter, you will learn about the addressing used in IPv4 and IPv6. We'll assign addresses of both types to various interfaces on the hosts and routers of the Illustrated Network. We'll ...

A possible fix arrived in December 1995 in the form of RFC 1883, the first definition of IPv6, the planned successor to IPv4.

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 ...

The format of an IP address in the traditional 32-bit version of the IP protocol. For the foreseeable future, IPv4 will co-exist with the newer IPv6 version (see IPv6). IPv4 uses a "dotted decimal" ...

Behind every laptop or tablet that goes online, behind every web address, behind every stack of servers, there's an IP address. These strings of numbers and dots act as unique identifiers for the ...

In addition to IPv4 (often written as just IP), there is IP version 6 (IPv6). IPv6 was developed as IPng (“IP:The Next Generation” because the developers were supposedly fans of the TV show “Star Trek ...

An Internet Protocol address is a number that identifies a device in a network, though the term is often used to refer to a device on the Internet itself. An IP address is vital for transferring data ...

In April, ARIN, the (North) American Registry for Internet Numbers, announced that it had reached “phase 4” of its IPv4 countdown plan, with fewer than 17 million IPv4 addresses remaining. There is no ...

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 ...