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Calcimator

IP Subnet Calculator

Calculate IP subnet information including subnet mask, hosts per subnet, and network configuration.

Inputs

bits

Results

IP Address

192.168.1.1

Subnet Mask255.255.255.0
Hosts Per Subnet254
CIDR Notation/24

IP Address

192.168.1.1

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 Address Octet 1 — First octet of IP address. Accepts values from 0 to 255 (default: 192).
  3. IP Address Octet 2 — Second octet of IP address. Accepts values from 0 to 255 (default: 168).
  4. IP Address Octet 3 — Third octet of IP address. Accepts values from 0 to 255 (default: 1).
  5. IP Address Octet 4 — Fourth octet of IP address. Accepts values from 0 to 255 (default: 1).
  6. Subnet Mask (CIDR) — Subnet mask in CIDR notation (0-32). 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. IP Address — your calculated result. This is the primary result of this calculator.
  9. Subnet Mask — your calculated result.
  10. Hosts Per Subnet — shown as a numeric value.
  11. CIDR Notation — your calculated result.
  12. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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