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Tools

NetworkCalc is a suite of network tools and APIs to help you manage your domain, website, and IPv4 networks.

Try NetworkCalc's tools below. For more tools and functionality, register for an account.

Look up details of IPv4 subnets and CIDR blocks.

Look up DNS records for a hostname like 'example.com'.

Look up security of websites, including SSL and TLS certificates.

Convert between binary, octal, decimal, and hexadecimal.

Look up registration information for a domain like 'example.com'.

Look up your IP address that is used publicly.