Python-сообщество

import threading,sys
from socket import *

class MyThread(threading.Thread):
	def __init__(self, func, ip, port):
		threading.Thread.__init__(self)
		self.func = func
		self.ip = ip
		self.port = port
	def run(self):
		apply(self.func,(self.ip, self.port))

def Scan(ip,port):
        sk = socket(AF_INET, SOCK_STREAM)
        sk.connect((ip, port))
        if getservbyport(port) != '' : print "[*] OPEN :",port," :: ",getservbyport(port)
        sk.close()

def s():
    print '\nStart'
    for i in range(start,(end+1)):
        MyThread(Scan,host,i).start()


host = sys.argv[1]
start = int(sys.argv[2])
end = int(sys.argv[3])
s()

def Scan(ip,port):
    try:
        sk = socket(AF_INET, SOCK_STREAM)
        sk.connect((ip, port))
        if getservbyport(port) != '' : print "[*] OPEN :",port," :: ",getservbyport(port)
        sk.close()
    except:pass