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 Number Resource Organization warned Monday that the number of available IPv4 addresses had slipped below 10 percent, with one service predicting that the available addresses will expire in a bit ...

Behind every laptop or tablet that goes online, behind every web address, behind every stack of servers, there's an IP address. These strings of numbers and dots act as unique identifiers for the ...

In April, ARIN, the (North) American Registry for Internet Numbers, announced that it had reached “phase 4” of its IPv4 countdown plan, with fewer than 17 million IPv4 addresses remaining. There is no ...

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 ...

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" ...

Network operators continue to demand IPv4 address space and are willing to pay rising prices and enter into potentially risky trading to obtain allocations of the older protocol. Explosive growth of ...

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 ...

GUEST OPINION: The realm of the Internet has been expanding ever since its inception. With the recent boost in digitalization, the demand for internet resources has been increasing rapidly. This has ...