#!/usr/bin/python

# *-* coding:utf-8 *-*

import random

def randomMAC():

'''

generate random MAC address.

the first 24 bits are for OUI (Organizationally Unique Identifier).

OUI是由IEEE的注册管理机构给不同厂家分配的代码，区分了不同的厂家。

'''

mac = [0x00, 0x8c, 0xfa,

random.randint(0x00, 0xff),

random.randint(0x00, 0xff),

random.randint(0x00, 0xff)

]

return ':'.join(map(lambda x: "%02x" % x, mac))

if __name__ == '__main__':

print randomMAC()