#!/usr/bin/env python

import sys,re
import urllib2

if len(sys.argv) < 2:
    print "usage:" 
    print "%s AS" % (sys.argv[0])
    sys.exit(1)

nas = sys.argv[1]

try:
    content = urllib2.urlopen('http://www.ris.ripe.net/cgi-bin/lg/index.cgi?rrc=RRC001&query=12&arg=%s' % (nas,))
except Exception, e:
    print "problem getting data"
    sys.exit(1)

print "networks advertised by AS%s:" % (nas,)

for line in content:
    m = re.match(r'^\*\s+([0-9.]+/[0-9]{1,2})\s+.* %s [ie]' % (nas,), line)
    if m:
        g = m.groups()
        print g[0]