IPV4 // IPV6 // SUBNETS
IP Calculator
Inspect any prefix down to its masks and host range, or carve a network into equal subnets. Everything is computed locally in your browser.
Inspect one prefix — addresses, masks and usable host counts.
A /31 or /32 reports every address as usable —
RFC 3021 point-to-point and host routes are how WireGuard peers are normally addressed.
Carve one prefix into equal subnets — the usual way to hand out address space per host or per site.
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