import socket
import concurrent.futures

targets = ["112.54.45.252", "120.35.30.176", "114.115.172.176"]
ports = [21, 22, 23, 80, 81, 443, 3389, 8080, 8443, 8888, 9000, 3306, 6379, 27017, 11211, 8000, 8081, 9090, 8090, 4430]

def scan(ip, port):
    try:
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        sock.settimeout(2.5)
        result = sock.connect_ex((ip, port))
        sock.close()
        if result == 0:
            return (ip, port, "open")
    except Exception:
        pass
    return (ip, port, "closed/filtered")

if __name__ == '__main__':
    print("Starting port scan on targets: ", targets)
    with concurrent.futures.ThreadPoolExecutor(max_workers=50) as executor:
        futures = []
        for ip in targets:
            for port in ports:
                futures.append(executor.submit(scan, ip, port))
        for future in concurrent.futures.as_completed(futures):
            res = future.result()
            if res[2] == "open":
                print(f"Host: {res[0]} Port: {res[1]} is OPEN")
    print("Scan complete.")