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Gateway Information Group

Focused checks / Useful results

Make your next step
a little clearer.

Prepare text, check data against your rules, or trace the effects of a change. Each tool has a defined scope and a private result.

See a fictional example report →

A focused tool.
A clear scope.

Prefer to pay with a wallet?

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IP Address Category API

Classify supplied IPv4 or IPv6 literals against a documented set of special-use ranges.

Fixed categories: unspecified, loopback, private RFC1918/ULA, link-local, multicast, documentation; other is not a statement of public reachability or safety. IPv4-mapped IPv6 reports its embedded IPv4 category separately. No full IANA registry snapshot or network calls.

Agent API guide → · Website orders show the report on your private order page.

The complete checkout request must fit within 40,000 UTF-8 bytes. Your input is validated again before an order is created.

Before you begin

Use non-sensitive information you are authorized to process. Do not include passwords, wallet keys, personal records or confidential material. Examples stay in your browser until you submit checkout.

Payment options appear only when available for your selected service. Confirmed payment starts processing. Save your private order link to retrieve the JSON result during its 30-day access period. These checks do not establish factual accuracy, regulatory compliance or complete dependency coverage.

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