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 ...

Subnetting is a core networking skill that shapes how devices communicate efficiently and securely. From IPv4's address conservation methods to IPv6's vast space and new design mindset, mastering ...

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 ...

I don’t know about you, but it has been a long time since my laptop was assigned a public IPv4 address. Most of the time my laptop has a private RFC1918 IPv4 address. Rarely does my computer have a ...

Many in the industry realize that as we migrate to IPv6 there will be a day when IPv4 is not needed anymore. However, that transition seems daunting and may take decades. In the meantime, ...

Network Address Translator, or simply called NAT, is an important part of the device between your LAN and the Internet. It could be located in the router you use to connect the local network to the ...

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 few blocks of Internet addresses yet to be allocated under the old IPv4 protocol seem to be home to some “hotspots” of unwanted traffic that anyone who gets the addresses would have to pay for, a ...

The Asia-Pacific Network Information Centre (APNIC), which is the organization responsible for distributing IP addresses in most of Asia, Australia, and the Pacific, announced that on April 15, it ...