test ip vietnamese or not python

import random
import urllib2
i=0
mylist = ['']
while i < 1000:
 tip1 = 27
 tip2 = random.randint(70, 80)
 tip3 = random.randint(20, 30)
 tip4 = random.randint(60, 70)
 ip = str(tip1)+'.'+str(tip2)+'.'+str(tip3)+'.'+str(tip4)
 addr = 'http://'+ip+'.ipaddress.com/'
 temp = urllib2.urlopen(addr)
 data = temp.read()
 if (data.count('lags/vn.gif') > 1):
	print ip
	i = i + 1