Security

IP Bogon / Private Range Checker

Enter any IPv4 or IPv6 address to find out if it is publicly routable or belongs to a special-use range. Identifies RFC 1918 private ranges, loopback, link-local, CGNAT (RFC 6598), documentation ranges, and IPv6 special ranges. Runs client-side.

IP Address

Classification is performed in your browser. No data is sent to any server.

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