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IPv4 subnet calculator

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CIDR → network, broadcast, mask, wildcard, usable range, and class.

Network192.168.1.0/24
Subnet mask255.255.255.0
Wildcard mask0.0.0.255
Broadcast192.168.1.255
First usable192.168.1.1
Last usable192.168.1.254
Total addresses256
Usable hosts254
ClassC
Private (RFC 1918)yes