IPv4 Subnet & CIDR Calculator
Calculate network address, broadcast address, subnet mask, wildcard mask, and usable IP range for any IPv4 address and CIDR prefix.
Algorithm Step-by-Step Simulator
Enter your custom input data → Run the real algorithm engine → Observe step transitions.
⚙️ Customize Algorithm Input Data
Mathematical Formula
Overview & Explanation
An IPv4 Subnet Calculator partitions IP networks into logical sub-networks, determining exact network boundaries, broadcast addresses, and host capacities.
How It Works
- Convert IP address and CIDR prefix to 32-bit binary representations.
- Apply Bitwise AND with subnet mask to calculate Network Address.
- Apply Bitwise OR with wildcard mask to calculate Broadcast Address.
Practical Applications
- Network engineering
- VLSM design
- Cloud VPC CIDR allocation
Subnetting 192.168.1.100/24
Calculating network metrics for /24 prefix
Mask
32 - 24 = 8 host bits
Network
192.168.1.100 & Mask
Broadcast
Network | Wildcard
Frequently Asked Questions
How many usable hosts does a /24 subnet support?
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