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IP data from public APIs — not for legal or forensic use.

    ToolsIP WHOIS Lookup
    Network Tools

    IP WHOIS Lookup

    Registration and network ownership for IP addresses

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    How to Use This Tool

    1. Enter an IPv4 address.
    2. RDAP registry is queried.
    3. Parsed WHOIS fields and raw JSON are shown.

    About This Tool

    IP WHOIS reveals which organization holds an IP block, registration dates, and status — essential for abuse reporting and network research.

    Common use cases

    • •Measure download and upload speed
    • •Test open ports on a home router or server
    • •Trace routing paths to diagnose latency

    Frequently Asked Questions

    Need your IP address first?

    Instantly see IPv4, IPv6, ISP, city, and map on our homepage.

    What Is My IP

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