randomIP.py

#! /usr/bin/python
import os,sys,random;
def main():
        b = os.urandom(32);
        rs = random.SystemRandom();
        r_i = rs.randint(0, sys.maxint);
        a = str(r_i >> 24 & 0xFF);
        b =  str(r_i >> 16 & 0xFF);
        c =  str(r_i >> 8 & 0xFF);
        d =  str(r_i & 0xFF);
        octe = r_i%3;
        if(octe==0):
            a='x'
        if(octe==1):
            b='x'
        if(octe==2):
            c='x'
        if(octe==3):
            d='x';
        print(a+"."+b+"."+c+"."+d);

if __name__=="__main__":
        main();