Here is a simple python 2.7 snippet for finding the current external IP address.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
import httplib
import string

conn = httplib.HTTPConnection("checkip.dyndns.org", 80)
conn.request("GET","/index.html")
res = conn.getresponse()
conn.close()

if res.status == 200:
   response = res.read()
else:
   print 'Error connecting to the server!! Check your internet connection'
   exit()

startstr = string.find(response,': ')+2
endstr = string.find(response,'</b')
print response[startstr:endstr]