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Calcimator

Subnet Calculator

Calculate subnet mask, network address, broadcast address, usable host range, and CIDR notation for any IP address.

Inputs

bits

Results

Network Address

192.168.1.0

Broadcast Address192.168.1.255
Subnet Mask255.255.255.0
Wildcard Mask0.0.0.255
Usable Hosts254
First Usable Host192.168.1.1
Last Usable Host192.168.1.254
IP ClassC
Address TypePrivate
IP (Binary)11000000.10101000.00000001.01100100

Network Address

192.168.1.0

How to Use This Calculator
  1. Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
  2. IP Octet 1 — First octet of the IP address. Accepts values from 0 to 255 (default: 192).
  3. IP Octet 2 — Second octet of the IP address. Accepts values from 0 to 255 (default: 168).
  4. IP Octet 3 — Third octet of the IP address. Accepts values from 0 to 255 (default: 1).
  5. IP Octet 4 — Fourth octet of the IP address. Accepts values from 0 to 255 (default: 100).
  6. CIDR Prefix Length — CIDR notation subnet mask prefix length. Accepts values from 0 bits to 32 bits (default: 24 bits).
  7. Once all inputs are set, review your results in the Results panel. Here's what each output means:
  8. Network Address — your calculated result. This is the primary result of this calculator.
  9. Broadcast Address — your calculated result.
  10. Subnet Mask — your calculated result.
  11. Wildcard Mask — your calculated result.
  12. Usable Hosts — shown as a numeric value.
  13. First Usable Host — your calculated result.
  14. Last Usable Host — your calculated result.
  15. IP Class — your calculated result.
  16. Address Type — your calculated result.
  17. IP (Binary) — your calculated result.
  18. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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