python实现扫描ip地址的小程序

import os,time
import sys
start_Time=int(time.time())
ip_True = open('ip_True.txt','w+')
ip_False = open('ip_False.txt','w+')
IPhost = []
IPbegin = (input(u'请输入起始查询IP： '))
IPend = input(u'请输入终止查询IP： ')
IP1 = IPbegin.split('.')[0]
IP2 = IPbegin.split('.')[1]
IP3 = IPbegin.split('.')[2]
IP4 = IPbegin.split('.')[-1]
IPend_last = IPend.split('.')[-1]
count_True,count_False = 0,0
for i in range(int(IP4)-1,int(IPend_last)):
  ip = str(IP1+'.'+IP2+'.'+IP3+'.'+IP4)
  int_IP4 = int(IP4)
  int_IP4 += 1
  IP4 = str(int_IP4)
  return1=os.system('ping -n 1 -w 1 %s'%ip)
  if return1:
    print('ping %s is fail'%ip)
    ip_False.write(ip+'\n')
    count_False += 1
  else:
    print('ping %s is ok'%ip)
    ip_True.write(ip+'\n')
    count_True += 1
ip_True.close()
ip_False.close()
end_Time = int(time.time())
print("time(秒)：",end_Time - start_Time,"s")
print("ping通的ip数：",count_True,"  ping不通的ip数：",count_False)