# from https://bbs.archlinux.org/viewtopic.php?id=61009
# MOD KLL

from socket import *
network = '192.168.1.'
port = 80 # 135
import os
from subprocess import Popen, PIPE

#__________________________________________________________
def is_up(addr):
    s = socket(AF_INET, SOCK_STREAM)
    s.settimeout(0.10)    ## set a timeout of 0.01 sec /KLL set 0.1
    if not s.connect_ex((addr,port)):    # connect to the remote host on port 'port'
        s.close()                       
        return 1
    else:
        s.close()

#__________________________________________________________
def run():
    print ''
    for ip in xrange(1,256):    ## 'ping' addresses 192.168.1.1 to .1.255
        addr = network + str(ip)
        if is_up(addr):
            result = Popen(['arp', '-a', addr], stdout=PIPE, stderr=PIPE, shell=False) 
            outp, errp = result.communicate()               # thats a big wait
            MAC = ""
            if (outp.find(addr) >= 0) :
                posi = outp.find(addr) + 20
                MAC = outp[posi:posi+20]
            print '%s \t- %s MAC: %s' % (addr, getfqdn(addr),MAC)
            ## the function 'getfqdn' returns the remote hostname              # KLL no, only for my own PC??

#__________________________________________________________
if __name__ == '__main__':
    print ' scanning network %s for port %s' % (network,port)

    run()

    print 'Done'