Töötab kohalikult brauseris. Sisestatud andmeid ei saadeta meie serveritesse.
Tulemus ilmub siia
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.
CIDR calculator teave
Töötlus jääb brauserisse — sisestatud andmeid meie serveritesse ei saadeta.
Calculate network, mask, and host range for an IPv4 CIDR.
Muudab andmeid kohalikult: kleebi, käivita, kopeeri — ilma payloadi üleslaadimiseta.
Kuidas kasutada: CIDR calculator
Paste the input
Paste the text or data you want CIDR calculator to process.
Run the action
Choose format/encode/convert options if available, then run.
Copy the output
Review the result and copy it. Clear fields when finished.
Korduma kippuvad küsimused
Is CIDR calculator free?
Yes. It is free to use in the browser with no signup required.
Is my data sent to a server?
Töötlus jääb brauserisse — sisestatud andmeid meie serveritesse ei saadeta.
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.