& lt;script> Network Host scan (ping)

#! / usr/bin/env python#-*- coding: UTF-8-*-import platformimport sysimport osimport timeimport threaddef get_os (): # get os os = platform.system () if os = = "Windows": return "n" else: return "c" def ping_ip (ip_str): # ping ip cmd = ["ping", "- {op}" .format (op=get_os ()), "1" Ip_str] output = os.popen ("" .join (cmd)) .readlines () flag = False for line in list (output): if not line: continue if str (line) .upper () .find ("TTL") > = 0: flag = True break if flag: print "ip:% s is ok * *"% ip_strdef find_ip (ip_prefix): # find all ip of the net for i in range (1 Ip ='% s.% s'% (ip_prefix, I) thread.start_new_thread (ping_ip, (ip) ) time.sleep (0.3) if _ _ name__ = "_ _ main__": print "start time% s"% time.ctime () commandargs = sys.argv [1:] args = ".join (commandargs) ip_prefix = '.join (args.split ('.') [:-1]) find_ip (ip_prefix) print" end time% s "% time.ctime ()