NetDiscover
# Scan a specific Interface
sudo netdiscover -i eth0
sudo netdiscover -i <interface> -r <ip-address>
Nmap
# Ping Scan
nmap -sn <ip-address>
# Quick Scan
nmap -sS -T4 -F <ip-address>
ARP Scan
# Causes lot on noise on Network
sudo arp-scan -I <interface> -l