scan local area network ip and mac address
sudo apt-get install libpcap-dev
go get -u github.com/hellojukay/arp-scanner
± |master ✓| → sudo arp-scanner -iface enp30s0
192.168.199.1 d4:ee:07:52:b9:7a
192.168.199.177 a4:50:46:37:95:b9
192.168.199.1 d4:ee:07:52:b9:7a
192.168.199.1 d4:ee:07:52:b9:7a
192.168.199.1 d4:ee:07:52:b9:7a