Host Discovery

Host discovery involves identifying live hosts on a network. Tools like ping, nmap, or masscan can be used to discover active systems.

Find hosts:

ping sweep using nmap:

nmap -sn <network_subnet>

Ping sweep on Windows:

for /L %i in (1,1,255) do @ping -n 1 -w 200 <network_subnet>.%i > nul && echo <network_subnet>.%i is up.

Ping sweep on Linux:

for i in {1..254}; do ping -c 1 <network_subnet>.$i | grep "bytes from" & done; wait