Show HN: A free curl API for IP data (we scan the IPv4 space in <24h)
Look up owner, ASN, geolocation (country/region/city), reverse DNS and CIDR for any IPv4 with one curl — no API key, no signup. Copy-paste examples in curl, PHP, Node and Python.
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The curl API for WorldIP is now live and completely free to use. You can hit it right from your terminal:
curl worldip.io — returns information about your requesting IP. curl worldip.io/8.8.8.8 — returns details on any specific IP.
The main differentiator here is that we aren't just wrapping another provider's API and reselling their data. We built and run our own global infrastructure capable of scanning the entire IPv4 space in about a day.
Happy to answer any questions about the scanning infrastructure or the stack!
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