An Internet Protocol address identifies a device on a computer network, specifying its location and identification. Internet Protocol Version 4 makes use of subnet masks that help to control network traffic by using identifiers in the IP address to specify on which subnet a host or group of hosts exist. A newer protocol, IPv6, does not make use of subnet masks because they have built-in subnet IDs. Writer Bio

What Is the Purpose of a Subnet Mask in IP Addressing  - 78