How to learn ip`s of workgroup computers?

English Network/Internet
1

Hello,
Computer that I have access to is a member of a small (20 computers) workgroup. I want to have IPs of all the members.
There is a command in linux (I used it but I dont remember the name) to trace all ips of surrounding computers.
Could you give me the name?
Thank you.

2

nmblookup?

3

I got it!
Its nmap.

To trace all ips in range 172.16.[1-255][1-255] by ping scan use

nmap -sP 172.16.0.0/22 -oG logfile -O
-O will try to guess the operating system

Thanks for the nmblookup anyway ).

SDA

4

Ok, I thought you were trying to get the IP addresses from the Windows names, as workgroup is also Windows file sharing terminology. Perhaps you should call your group of computers something else when writing about them, maybe subnet, or LAN.