NetworkScanner.py

#!/usr/bin/env python

import scapy.all as scapy
import argparse


def arguments():
    parser = argparse.ArgumentParser()
    parser.add_argument("-t", "--target", dest="target", help="Target IP / IP range")
    options = parser.parse_args()
    if not options.target:
        print("Please specify the target, use --help for more info")
        exit()
    return options


def scan(ip):
    arp_request = scapy.ARP(pdst=ip)
    broadcast = scapy.Ether(dst="ff:ff:ff:ff:ff:ff")
    arp_request_broadcast = broadcast / arp_request
    answered_list = scapy.srp(arp_request_broadcast, timeout=1, verbose=False)[0]

    client_list = []
    for element in answered_list:
        client_dict = {"ip": element[1].psrc, "mac": element[1].hwsrc}
        client_list.append(client_dict)
    return client_list


def result(client_list):
    print("IP\t\t\tMAC Address")
    for element in client_list:
        print(element["ip"] + "\t\t" + element["mac"])


ips = arguments()
scan_result = scan(ips.target)
result(scan_result)