Subnet Calculator — reason42/tools

SUBNET CALC

IPv4 NETWORK CALCULATOR // reason42/tools_

> ENTER NETWORK DETAILS — ALL THREE FIELDS SYNC AUTOMATICALLY

IP ADDRESS

⟳

CIDR PREFIX

⟳ SYNCED

DOTTED MASK

⟳ SYNCED

You can type in any field. CIDR prefix with or without slash | Dotted mask auto-converts to CIDR and back.

NETWORK ADDRESS

—

BROADCAST ADDRESS

—

SUBNET MASK

—

WILDCARD MASK

—

CIDR PREFIX

—

USABLE HOSTS

—

FIRST HOST

—

LAST HOST

—

IP CLASS

—

IP TYPE

—

> BINARY REPRESENTATION — NETWORK BITS BRIGHT / HOST BITS DIM

IP ADDR —

SUBNET MASK —

NETWORK —

> IPv4 only. All calculations client-side. Nothing is sent anywhere.
> reason42/tools — free, open, no tracking_