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Subnet Calculator (CIDR)

Calculates network address, broadcast, hosts, and subnet mask from a CIDR notation.

Input IP192.168.1.0
Network address192.168.1.0/24
Subnet mask255.255.255.0
Wildcard mask0.0.0.255
Broadcast address192.168.1.255
First Host192.168.1.1
Last Host192.168.1.254
Usable Hosts254
Total addresses256
IP-KlasseKlasse C
IP-TypPrivate (RFC 1918)

Binary representation

BezeichnungBits (Network | Host)
Input IP11000000.10101000.00000001.00000000
Subnet mask11111111.11111111.11111111.00000000
Network address11000000.10101000.00000001.00000000
Broadcast11000000.10101000.00000001.11111111

Netzwerk-Bits (24)   Host-Bits (8)