import os
import random
import multiprocessing as mp
def make_4_numbers():
    a = random.randint
    a1, a2, a3, a4 = \
    a(0, 255), a(0, 255), a(0, 255), a(0, 255)
    return '%s.%s.%s.%s' % (a1, a2, a3, a4)
def make_nc_result(ip, port, counter):
    os.popen('nc -w 0 -v %s %s > %s' % (ip, port, counter))
    return open(counter).read()
def f(i):
    return make_nc_result(make_4_numbers(), 22, i)
result = []
pool = mp.Pool(processes=50)
for i in range(100):
    pre_res = pool.apply_async(f, (str(i),))
    rr = pre_res.get(timeout=1)
    result.append(rr)
import pdb
pdb.set_trace()
print(result[0])

>>> from random import randint
>>> def get_ip():
	return '.'.join([str(randint(0, 255)) for _ in xrange(4)])
>>> get_ip()
'222.201.109.31'

def ping(host, timeout=None, count=4):
    params = ["ping", host, "-n", str(count)]
    if timeout is not None:
        params.extend(["-w", str(timeout)])
    process = subprocess.Popen(params,
                               stdout=subprocess.PIPE,
                               stderr=subprocess.PIPE)
    out, error = process.communicate()
    ...

def make_nc_result(ip, port, counter):
    os.system('nc -w 0 -v %s %s > %s' % (ip, port, counter))

>>> import subprocess
>>> p = subprocess.Popen('pssh -H localhost \'echo 1\'', shell=True, stdout=subprocess.PIPE)
>>> res = p.communicate()[0]
>>> res
'[1] 16:55:59 [SUCCESS] localhost\n'