Table 1. This table illustrates subnet masks. The number after the “/” in the CIDR notation indicates the total number of IP addresses available. Click here to see an enlarged diagram. Understanding ...

IPv6 increases IP address space to 128 bits, thus increasing the pool of addresses from IPv4's 2^32 to 2^128, or 340,282,366,920,938,463,463,374,607,431,768,211,456 ...

Rather than layering security onto networks, the networks themselves and carefully managed authorization policies can hinder attacks, but at an administrative cost. Why is it that over 90% of ...

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 ...

If Dynamic Host Configuration Protocol (DHCP) didn’t exist, network administrators would have to manually parcel out IP addresses from the available pool, which ...

Before connecting a printer to a local area network, to prevent problems from occurring down the line, businesses should make sure that their networking, hardware and software setups will allow the ...

Knowing your IP address can help protect your home network and data from prying eyes. Here's how to find it. Trey Paul was a CNET senior editor covering broadband. His 20+ years of experience as a ...

DHCP is fine, unless you're looking to perform advanced networking tasks. Here's how to set a Static IP address (or DHCP reservation) for any device on your network.

You can use various techniques, such as a VPN or proxy server, to quickly and easily change your IP address. Moe enjoys making technical content digestible and fun. As a writer and editor for over a ...