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" ...

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 ...

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 ...

Until now, a desktop computer has been the main gateway to the Internet for most of us. Yet, the next billion Internet users are likely to log on using a mobile device, and very soon everything in our ...

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.

Psst! Wanna buy a used IP address? In as little as 18 months, the world may run out of IP addresses, which could lead to the emergence of an illicit market in IP address trafficking, says John Curran, ...