RDP scanner

import socket
import random
import os, sys
import threading 

if sys.platform == 'linux' or sys.platform == 'linux2':
   clearing = ' clear'
else:
   clearing = 'cls'
os.system(clearing)
openrdp = open("rdp.txt","w")
port = 3389
test = 0
print("######################################")
print("# Random RDP Scanner by Cyb3r H4ck3r")
print("# Version 1.0")
print("# Greetz to Team IHC")
print("# http://team-ihc.in")
print("######################################")
broj=input("enter random ip : ")
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

while(test<broj):
	ran1 = random.randrange(1,255)
	ran2 = random.randrange(1,255)
	ran3 = random.randrange(1,255)
	ran4 = random.randrange(1,255)
	host = "%d.%d.%d.%d" % (ran1, ran2, ran3, ran4)
	test=test+1
	try:
		s.connect((host, port))
		s.shutdown(2)
	except:
		print ("Cannot connect to "+host)