Chinese researchers once built "IPv9." It was never internationally recognized, but it raised important questions.

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 ...

If you are using Internet or almost any computer network you will likely using IPv4 packets. IPv4 uses 32-bit source and destination address fields. We are actually running out of addresses but have ...

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 ...

Today, the standard methods for moving the network/host address boundary are variable-length subnet masking (VLSM) for host addressing and routing inside a routing domain, and classless interdomain ...

The slow move to IPv6 has crept past another milestone, with the Internet Architecture Board (IAB) stating on Monday that the pool of unassigned IPv4 addresses have been allocated. "As a result, we ...

In early 2011, the global Internet Assigned Numbers Authority (IANA) set aside the remaining blocks of IPv4 address space for the five North American Internet registries to use. Since that time, we've ...

Qasim Lone, an employee of RIPE Labs, shows in an analysis that has so far gone largely unnoticed by the public that an IPv4 address range that has actually been reserved for decades is secretly being ...