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 ...

A vibrant market for buying and selling IPv4 addresses is emerging, and policymakers are clarifying the rules associated with how network operators can monetize this precious Internet addressing ...

I'm looking for more information about having IPv4-only devices (embedded, legacy, etc) on a network that is otherwise IPv6-only, with IPv6-only Internet access. It's academic at this point, but I can ...

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 ...

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 ...

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 ...

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 ...

Just ask any economist: When a commodity is in short supply, several things happen. The price goes up, rationing begins, and people start scrambling for substitutes. Globally unique Internet addresses ...

We knew the day when we ran out of IPv4 addresses was coming. Now, we're in the last days. The American Registry for Internet Numbers (ARIN), the nonprofit group that manages Internet addresses for ...