Title
Professional IPv4 subnet calculator with CIDR notation support. Calculate network ranges, broadcast addresses, subnet masks, and host counts instantly. Perfect for network administrators and IT professionals. Binary view, private IP detection, and real-time calculations. No signup required.
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What is Title?
Subnet Calculator helps network administrators calculate network addresses, broadcast addresses, and the usable host IP range given an IP and subnet mask.
Key Benefits
- Network planning
- CIDR math
- Avoid overlap
- Admin tool
Common Use Cases
- •VPC setup
- •Office network
- •Certification study
- •Router config
How to Calculate Subnet
- IP: Enter IP Address.
- Mask: Enter CIDR (e.g. /24) or Mask.
- View: See Network, Broadcast, and Hosts.
Key Features
- Calculate subnet information
- Network address and broadcast
- Usable host range
- CIDR to subnet mask conversion
- VLSM subnetting
- IPv4 and IPv6 support