查找同网段的linux主机

gistfile1.py

#!/usr/bin/python
'''
Created on 2013-4-20

@author: wendal
'''

import socket, threading, time

def main():

    for n in range(1, 255) :
        ip = "192.168.72.%d" % n            #换上你需要的扫描的网段
        PingThread(ip).start()
        time.sleep(0.1)
            
class PingThread(threading.Thread):
    
    def __init__(self, ip):
        threading.Thread.__init__(self)
        self.ip = ip
    
    def run(self):
        try:
            socket.create_connection((self.ip, 22), 1).close()
            print "%s OK" % self.ip
        except:
            pass

if __name__ == '__main__':
    main()