Darbojas lokāli pārlūkā. Ievadītie dati netiek nosūtīti uz mūsu serveriem.

Šeit parādīsies rezultāts

Tips for CIDR math

Everything is calculated locally — no network request.

/31 and /32 have special host semantics (point-to-point / single host).

Wildcard masks are useful for some ACL syntaxes.

Double-check prefix length before changing production routes.

IPv6 CIDR is not covered in this calculator yet.

Par CIDR calculator

Apstrāde paliek pārlūkā — ievadītie dati netiek sūtīti uz mūsu serveriem.

Calculate network, mask, and host range for an IPv4 CIDR.

Lokāli pārveido datus: ielīmēt, palaist, kopēt — bez payload augšupielādes.

Kā lietot CIDR calculator

  1. Paste the input

    Paste the text or data you want CIDR calculator to process.

  2. Run the action

    Choose format/encode/convert options if available, then run.

  3. Copy the output

    Review the result and copy it. Clear fields when finished.

Biežākie jautājumi

Is CIDR calculator free?

Yes. It is free to use in the browser with no signup required.

Is my data sent to a server?

Apstrāde paliek pārlūkā — ievadītie dati netiek sūtīti uz mūsu serveriem.

Do I need to install anything?

No. CIDR calculator is a web utility — open the page and start.

When should I use CIDR calculator?

Calculate network, mask, and host range for an IPv4 CIDR.