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Subnet Calculator

Subnet Calculator

All calculation is done locally. No data is sent to the server.
CIDR (IPv4 or IPv6)

IP validator

Single address (no prefix)

About

Computes IPv4 or IPv6 network, broadcast, and host range from CIDR. Enter a single address (no /) to validate and see its type (e.g. loopback, private, public).

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