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 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 ...

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" ...

In February, the news broke that the Internet Assigned Numbers Authority had allocated the final blocks of IPv4 addresses to the five Regional Internet Registries to be distributed to parties within ...

1,370 million IPv4 addresses were used up this past decade. We have 722 million left, so the bottom of the pool is in sight. There are 3,706,650,624 usable IPv4 addresses. On January 1, 2000, ...

In February 2011, the global Internet Assigned Numbers Authority (IANA) allocated the last blocks of IPv4 address space to the five regional Internet registries. At the time, experts warned that ...

The various Internet management groups made it official this morning. We're now out of Internet Protocol version 4 (IPv4) Internet address blocks. The final five blocks of IPv4 addresses were given ...

As of yesterday, North America is out of IPv4 addresses. Getting that feeling of déjà vu all over again? In July, we reported that ARIN, the American Registry for Internet Numbers, was activating its ...

The Internet Assigned Numbers Authority (IANA) has handed out its last IPv4 addresses, leaving the remaining blocks to regional registries that in some cases may exhaust them within a few months. The ...

This is the first of many technical blog posts I’m going to post on IPv6 architecture and implementation for a Microsoft Windows-based environment. I started off with a basic introduction of the IPv4 ...