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

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 ...

In the early 1990s, internet engineers sounded the alarm: the pool of numeric addresses that identify every device online was not infinite. IPv4, the fourth version of the Internet Protocol, used ...

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 Number Resource Organization warns that less than 10 percent of the IPv4 address space remains; it's time to start adopting IPv6. The warning comes after APNIC, the registry that hands out IP ...

Many enterprises use OSPF version 2 for their internal IPv4 routing protocol. OSPF has gone through changes over the years and the protocol has been adapted to work with IPv6. As organizations start ...

The global transition from IPv4 to IPv6 has gained major traction, driven by the urgent need to accommodate a rapidly expanding number of internet-connected devices and the introduction of IPv6 ...

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 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" ...

How to support transitional routing of IPv6 through IPv4 Configuring 6to4 and Teredo Configuring IP-HTTPS and Microsoft DirectAccess Understanding Tunnel Brokers This is the fifth technical blog post ...