g-o-o-g-l-e i-p-s

#!/usr/bin/python
#-*- coding:utf8 -*-

'''
Created on 2014-06-02
# QQ:263967133
# pings运行一般运行一次就够了，自己选一个ip段
# google ip地址段
# 64.233.160.0 - 64.233.191.255
# 66.102.0.0 - 66.102.15.255
# 66.249.64.0 - 66.249.95.255
# 72.14.192.0 - 72.14.255.255
# 74.125.0.0 - 74.125.255.255
# 209.85.128.0 - 209.85.255.255
# 216.239.32.0 - 216.239.63.255
window下应该只需要把ping参数-c 改成 -n，没测
'''

import time,os
start_Time=int(time.time()) #记录开始时间

# 生成ips
def pings():
    ips=open('host.txt','w')
    for ip3 in range(2, 254):
        ip='66.249.64.'+str(ip3)+"\n"
        # print  ip
        ips.write(ip)
    ips.close()

#判断文件中的ip是否能ping通，并且将通与不通的ip分别写到两个文件中
#文件中的ip一行一个
def ping_Test():
    ips=open('host.txt','r')
    ip_True = open('ip_True.txt','w')
    ip_False = open('ip_False.txt','w')
    count_True,count_False=0,0
    for ip in ips.readlines():
        ip = ip.replace('\n','')  #替换掉换行符
        return1=os.system('ping -c 2 -w 1 %s'%ip) #每个ip ping2次，等待时间为1s
        if return1:
            print 'ping %s is fail'%ip
            ip_False.write(ip+"\n")  #把ping不通的写到ip_False.txt中
            count_False += 1
        else:
            print 'ping %s is ok'%ip
            ip_True.write(ip+"\n")  #把ping通的ip写到ip_True.txt中
            count_True += 1
    ip_True.close()
    ip_False.close()
    ips.close()
    end_Time = int(time.time())  #记录结束时间
    print "time(秒)：",end_Time - start_Time,"s"  #打印并计算用的时间
    print "ping通数：",count_True,"   ping不通的ip数：",count_False

# pings()
ping_Test()

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