How many are connected to the network will always vary because they’re continually swapped in and out of duty as they get re-imaged and re-purposed. Liteon technology and Elitegroup Computer systems, for example. There are several devices with names that don’t mean anything to me all. It allows them to pester me at home more easily, so I’m well aware of that device. The Avaya device is a Voice Over IP phone that provides me with an extension on the telephone system at head office.

There’s a couple of devices listed as manufactured by Dell. The only Samsung device I have is a laser printer, so that narrows that one down. The Amazon Technologies device will be my Echo Dot. Raspberry Pi Foundation is self-explanatory. What some of these devices are is clear to me. These are the ones we need to investigate further. When you look through your results, you will likely see devices that you recognize. It can deduce a lot about the device it is probing by judging and interpreting the type of responses it gets. It works by sending various network messages to the IP addresses in the range we’re going to provide it with it. RELATED: How Do IP Addresses Work? Get Started with nmap

Happily, nmap works with that notation, so we have what we need to start to use nmap. And because the largest number you can hold in an 8-bit binary number is 255, the IP address range for this network will be 192.168.4.0 through to 192.168.4.255.Īll of that is encapsulated in the “/24”. This subnet mask informs the hardware that the first three numbers of the IP address will identify the network and the last part of the IP address identifies the individual devices. The subnet mask and the IP address are used to indicate which part of the IP address identifies the network, and which part identifies the device. The “/24” means that there are three consecutive sets of eight 1’s in the subnet mask. The IP address of this computer is “192.168.4.25”. In the bottom section of the output, you will find your ip address.

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