ARPScanner

ARP Scanner

ARP scanner script to display ARP responses for a specific IP or CIDR

Prepare environment

• You can use Python virtualenv
• Python3.x is needed
• root rights required (or via sudo)

# install needed packages
$ sudo apt install python3-pip python3-venv
# or
$ sudo pip3 install virtualenv

# create and change into Project directory
$ mkdir -p ~/Projects/ARP-Scanner && cd ~/Projects/ARP-Scanner

# create virtualenv
$ virtualenv -p python3 venv
# or
$ python3 -m venv venv

# activate virtualenv
$ . venv/bin/activate

# install requirements
(venv) $ pip install -r requirements.txt
# or
(venv) $ pip install scapy

# list packages (optional)
(venv) $ pip freeze

# make file executable
(venv) $ chmod u+x ARPScanner.py

Run ARP Scanner

just run it...

# show help (optional)
(venv) $ sudo venv/bin/python ./ARPScanner.py --help

# scan for a specific IP
(venv) $ sudo venv/bin/python ./ARPScanner.py en0 172.20.10.5

# scan network with CIDR
(venv) $ sudo venv/bin/python ./ARPScanner.py en0 172.20.10.1/24

to interrupt press [CTRL + c] and follow terminal output.

Example output

some example from my terminal...

Start ARP scanning on interface en0 on network 172.20.10.1/24
Begin emission:
Finished sending 256 packets.

Received 313 packets, got 3 answers, remaining 253 packets
IP: 172.20.10.1     MAC: ca:38:b0:d7:41:64
IP: 172.20.10.5     MAC: db:e2:b0:97:91:ac
IP: 172.20.10.11    MAC: c1:02:10:55:04:a2

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