An Internet Protocol address is a unique numerical identifier given to each Internet connection. The IP address is how data finds its way from a web site back to your computer.
A computer network administration utility used to test whether a particular host is reachable across an Internet Protocol (IP) network. It is also used to measure the round-trip time for packets sent from the local host to a destination computer.
A computer program used in Windows and Unix to query Domain Name System (DNS) servers to find DNS details, including IP addresses of a particular computer.
A query command for databases which have become the master directories for domain name registrations keeping the information about the owner of a domain name, an IP network, or an autonomous system number.