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Developer & Networking Calculators.

IP subnet calculators, CIDR range converters, IPv4/IPv6 address utilities, and developer tools.

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Subnet Calculator

Calculate network address, broadcast address, usable IP range, and host count from any IP address and subnet mask.

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Developer & NetworkingFeatured

CIDR Calculator

Convert CIDR notation to subnet masks, IP ranges, host counts, wildcard masks, and binary representations.

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Developer & Networking

IP Address Calculator

Analyze any IPv4 address to reveal its binary, decimal, hex, class, address type (public/private), and CIDR block.

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Developer & Networking

IPv4 Subnet Calculator

Divide an IPv4 network into multiple subnets by specifying the desired number of subnets or hosts per subnet, with a full breakdown table.

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Developer & Networking

IPv6 Calculator

Expand, compress, and analyze IPv6 addresses with prefix length, address type classification, and network range information.

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