Nmap
find hosts with SSHd enabled
nmap -p 22 192.168.1.0/24 -oG - | grep 22/open
ping a range
nmap -sP -R 192.168.1.1-254
Scan all ports
nmap -p- 192.168.1.1
Check cyphers
nmap --script ssl-enum-ciphers -p 443 <host>
Naabu
Scan range
docker run --rm -it projectdiscovery/naabu -host 192.168.1.0/24 -top-ports 1000