An Internet Protocol (IP) address is a numerical label that is assigned to devices participating in a computer network, that uses the Internet Protocol for communication between its nodes. An IP address serves two principal functions: host or network interface identification and location addressing.
The Internet Protocol is used to route data packets between networks; IP addresses specify the locations of the source and destination nodes in the topology of the routing system. For this purpose, some of the bits in an IP address are used to designate a subnetwork.
The number of these bits is indicated in Classless Inter-Domain Routing(CIDR) notation, appended to the IP address; e.g. 126.96.36.199/24.
Know your IP address
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IP-LOOK up :
This helps you trace the location of any computer(connected to internet) based on its IP address.This is designed to provide additional information about the entered IP address.
These details include the hostname, Geographic location information (includes country, region/state, city, latitude, longitude and telephone area code.), and a location specific map.
** Do not attempt to lookup IP of 192.168.___.___ type , because these are meant for private users, and even if try you will not get it.