Display IP Addresses of all the nodes/hosts on LAN/on a network

Obtaining a list of IP addresses/MAC addresses of all connected nodes/hosts on a network in Linux/Windows/MAC/any OS :-

ONE METHOD
Download Angry IP Scanner --- another IP scanner tool
Download Link :- http://www.angryziber.com/w/Download
Enter the range of your network IP addresses.The scanner will then show the status of each node, i.e.,
whether a host is "alive" or "dead" and it will also show the IP Address of each node.

ANOTHER METHOD
Download NMAP ----- a security scanner / a port scan utility
Download Link :- www.nmap.org/download.html
To get the list of IP addresses with nmap, use this command:
nmap -sP "range of your network IP addresses"
For example :- nmap -sP 192.168.1.0/10