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 ...

We just saw that the mask determines where the boundary between the network and host portions of the IP address lies. This boundary is important: If it is set too far to the right, there are lots of ...

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" ...

On Feb. 3, 2011, the Internet Corporation for Assigned Names and Numbers (ICANN) announced that the last remaining Internet protocol version 4 (IPv4) IP addresses had been allocated, although it may ...

The first thing you need to know is … don’t panic. The transition from IPv4 to IPv6 will be nothing like the prospect of Y2K in 1998-1999. However, it is a migration issue that you need to keep up to ...

We tracked down the author behind that IETF IPv8 draft.

About to embark on deploying IPv6? First, you need to know some key differences in IPv6 address formats. Don’t be deterred by the intimidating appearance of those long IP version 6 (IPv6) addresses.

Have you learned to think and dream in hex yet? That is what you are going to have to look forward to as we transition to using IPv6. Because we will be working in hexadecimal numbers we may need a ...

Although IPv6 adoption seems to be moving at a snail’s pace, there’s no outrunning it. Brien Posey demystifies some of the addressing issues many admins are still trying to figure out. [Editor’s note: ...

The "IPocalypse" is turning out to be a mild global event, as -pocalypses go. End users won't begin to see the effects for months, and there should be little disruption when it does hit. But the end ...