SU
⚙️ Dev
subneto
IP subnet / CIDR calculator
subneto is a free, no-sign-up online dev tool: ip subnet / cidr calculator. Everything is computed right in your browser — no data is sent to a server, your information stays private. Fast, ad-free, works on mobile and desktop. Keywords: ip, subnet, cidr, réseau, masque.
FAQ
Is subneto free?
Yes. subneto is completely free with no sign-up — ip subnet / cidr calculator. No hidden costs, no credit card.
Is my data sent to a server?
No. subneto runs 100% in your browser — everything is computed locally, nothing is transmitted or stored. Your data stays private.
Do I need to register or install anything?
No. Open subneto and start right away — no account, no install. Works on mobile and desktop.