Masscan

masscan -p80 192.168.1.0/24

Starting masscan 1.0.5 (http://bit.ly/14GZzcT) at 2020-12-22 23:55:00 GMT
 -- forced options: -sS -Pn -n --randomize-hosts -v --send-eth
Initiating SYN Stealth Scan
Scanning 256 hosts [1 port/host]
Discovered open port 80/tcp on 192.168.1.120
Discovered open port 80/tcp on 192.168.1.7
Discovered open port 80/tcp on 192.168.1.5
Discovered open port 80/tcp on 192.168.1.1
Discovered open port 80/tcp on 192.168.1.6