CIDR Calculator
Calculate CIDR ranges, subnet details, usable hosts, broadcast address, and network class for IPv4 and IPv6
All processing happens in your browser. No data is uploaded.
CIDR Calculator
Calculate CIDR ranges, subnet details, usable hosts, broadcast address, and network class for IPv4 and IPv6
🔒All processing happens in your browser. No data is uploaded.
IP Address & CIDR Prefix
Common Prefix Lengths
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Subnet Details
CIDR Notation
192.168.1.0/24Network Address
192.168.1.011000000.10101000.00000001.00000000Broadcast Address
192.168.1.25511000000.10101000.00000001.11111111Subnet Mask
255.255.255.011111111.11111111.11111111.00000000Wildcard Mask
0.0.0.25500000000.00000000.00000000.11111111First Usable Host
192.168.1.1Last Usable Host
192.168.1.254Total Addresses
256Usable Hosts
254IP Class
Class CAddress Type
Private