apple.py

#!/usr/bin/env python

import sys
import subprocess
import re

wanted = re.compile(re.compile(r'time=\d\d(\.\d*)? ms'))
host_pattern = 'a%d.phobos.apple.com'
cmd_pattern = 'ping -c 4 %s'
result = []

for i in xrange(1,2001) :
	host = host_pattern % i
	cmd = cmd_pattern % host
	sys.stderr.write("pinging %s...\n" % host)
	output = subprocess.Popen(cmd.split(" "), stdout=subprocess.PIPE).communicate()[0]
	if (wanted.search(output)) : result.append(output)

for r in result : 
	print r