A range of consecutive IP addresses(also known as a subnet), usually belonging to the same organisation.
Rajeev Vij
There are numerous commands in Linux to set up and diagnose a network.* ifconfig - Displays status of network adapters and allows you to enable / disable them. * ping - sends packets of data to an IP address, and measures response time. * whois - displays WHOIS information (such as registered owner, netblock, IP address, etc... of a domain. * traceroute - traces routing data for your connection to a server.