One packet capture revealed DNS settings, routes, lease timers, domain names, and several networking fossils.

An Internet Protocol address is a number that identifies a device in a network, though the term is often used to refer to a device on the Internet itself. An IP address is vital for transferring data ...

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 ...

Your IP address might be blocked on a website if you try logging in too many times or if you're suspected of being a spammer.

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 ...

When you set up the first network for a small business, you may not give much thought to how the company’s growth will affect your IP addressing scheme. By planning ahead at the beginning, you can ...

icture a maintenance technician on the night shift. A device on the Ethernet network fails and the production line goes down. First the device must be located physically and then identified by type ...