How to Use the IP Subnet Calculator
- Enter an IP address with or without CIDR notation (e.g.
192.168.1.0/24or10.0.0.1). - The calculator instantly shows network address, broadcast, subnet mask, host range and more.
Common CIDR Values
/8— Class A (16,777,216 hosts)/16— Class B (65,536 hosts)/24— Class C (254 hosts)/32— Single host
Privacy: All calculations happen locally in your browser. No data is sent to any server.
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