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    Quick Info

    Best For

    Developers adding fraud and risk checks to signups and logs

    Category

    AI Business

    Key Features

    IPv4 and IPv6 geolocation
    WHOIS/ASN from all five RIRs
    VPN, proxy and Tor detection
    Abuse scoring

    Community Rating

    IPDetails.io logo

    IPDetails.io

    freemium • Free
    Updated Oct 2026

    IPDetails.io gives developers and security teams one endpoint for everything they usually look up about an IP address. A single JSON response combines geolocation, registry records from all five regional internet registries (ARIN, RIPE, APNIC, LACNIC and AFRINIC), ASN ownership, a hosting, residential or business classification and risk indicators such as Tor exits, open proxies and VPNs. It is designed for responses around 10 ms in EU and US deployments, and there is an offline database and a self-hosting option for teams that cannot send lookups to a third party. Typical uses are fraud screening at signup, rate-limiting suspicious traffic, enriching security logs and localising content. The free core covers practical lookups, which makes it easy to try. The honest trade-offs: IP geolocation and VPN detection are never perfect, so it should feed a risk decision rather than make it alone, and it is a data API rather than a generative AI tool, so its value is speed and coverage rather than smart analysis.

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    Pros

    • One endpoint for geo, WHOIS and risk
    • Fast responses
    • Self-hosting and offline options

    Cons

    • IP detection is never 100% accurate
    • Data API rather than generative AI
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    All Features

    IPv4 and IPv6 geolocation
    WHOIS/ASN from all five RIRs
    VPN, proxy and Tor detection
    Abuse scoring
    Offline database

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