The shortage of IPv4 addresses has reached a critical stage, according to the registries that allocate internet numbers around the world. The Number Resource Organization (NRO), which represents the ...

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IPv6 usage reaches 50% across Google services ...

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 ...

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 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 ...

A little over a year ago, I wrote an article about the IPv4 address consumption with the subtitle IPv4 Address Space: 2.46 Billion Down, 1.25 Billion to Go. A week ago, we reached the magic number of ...

The following is a guest blog written by one of Canada’s most prominent technology visionaries Bill St. Arnaud.There has been a lot of buzz in the press about the recent news of Nortel selling some of ...