This IP address calculator takes the IP address, subnet mask, and calculates the network, first usable, last usable, and broadcast addresses.
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A subnet is a division of an IP network (internet protocol suite), where an IP network is a set of communications protocols used on the Internet and other similar networks. It is commonly known as TCP/IP (Transmission Control Protocol/Internet Protocol).
The act of dividing a network into at least two separate networks is called subnetting, and routers are devices that allow traffic exchange between subnetworks, serving as a physical boundary. IPv4 is the most common network addressing architecture used, though the use of IPv6 has been growing since 2006.
Below is a table providing typical subnets for IPv4.
|Prefix size||Network mask||Usable hosts per subnet|
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