#!/usr/bin/env python
import subprocess
import sys
import re

def arping(ipaddress = "192.168.1.1"):
    p = subprocess.Popen("/usr/sbin/arping -c 2 %s" % ipaddress, shell = True,
                            stdout = subprocess.PIPE)
    out = p.stdout.read()
    result = out.split()
    for item in result:
        if ":" in item:
            print item

if __name__ == "__main__":
    if len(sys.argv) > 1:
        for ip in sys.argv[1:]:
            print "arping", ip
            arping(ip)
    else:
        arping()

#!/usr/bin/env python
from scapy import srp,Ether,ARP,conf
import sys

def arping(iprange="192.168.1.1/24"):
    conf.verb = 0
    ans,unans = srp(Enter(dst="ff:ff:ff:ff:ff:ff")/ARP(pdst=iprange),
                    timeout=2)
    collection = []
    for snd, rcv in ans:
        result = rcv.sprintf(r"%ARP.psrc% %Ether.src%").split()
        collection.append(result)
    return collection

if __name__ == "__main__":
    if len(sys.argv) > 1:
        for ip in sys.argv[1:]:
            print "arping", ip
            print arping(ip)
    else:
        print arping()