Enter an IPv4 address with CIDR notation to get network address, broadcast, mask, usable host range and host count.
Enter an IPv4 address with CIDR notation to get network address, broadcast, mask, usable host range and host count. Apaltools tools are free, require no signup, and run entirely client-side — your input never leaves the browser, which makes it safe even for sensitive strings such as tokens or internal URLs.
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