We (IPinfo) built a free IP data API that supports unlimited requests

What it does

In the maker’s words, at launch

I am Abdullah from IPinfo. We have finally launched our API service that supports an unlimited amount of requests to fetch IP to Country and ASN database. It is free to use. https://ipinfo.io/lite Try out this token for the next several to check out the API service: a6c2e5328296f5…

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  IP Guide – Info on IP addresses, Networks, and ASNs2023 · ip.guide · ▲363

  Hey all, wanted to share my recent weekend hack project. I wanted to improve upon the existing space for looking up information about IP addresses and ASNs. The backend is written in Rust and pulls BGP data every 8 hours from the RIPE RIS project to build up a routing table and also adds geolocation information. The frontend is using React and Tailwind. Would love any feedback or suggestions on what to improve.

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  A simple IP address API2014 · ipinfo.io · ▲241

  IPinfo, the trusted global leader in IP address data and intelligence. Powering applications and security solutions for developers and businesses.

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  Free IP to Country and ASN Downloads from Ipinfo.io2023 · ▲24

  Free IP to Country and ASN Data downloads: - MMDB, CSV and JSON format - Full accuracy (not degraded quality compared to our paid downloads) - IPv4 and IPv6 data - A single file that includes both country and ASN details - Daily updated - CC Attribution license (no usage restrictions, only requirement is a link back to ipinfo.io) Here's an example of querying the MMDB file using our mmdbctl tool: $ echo "1.1.1.1" | mmdbctl read country_asn.mmdb | jq . { "as_domain": "cloudflare.com", "as_name": "Cloudflare, Inc.", "asn": "AS13335", "continent": "NA", "continent_name": "North America",…

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  Free IP API2023 · freeipapi.com · ▲83

  Free, Fast and Reliable IP Geolocation, Countries, Timezones and Phone codes API for commercial and non-commercial usage, Available in JSON and XML formats.

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  IP-Api.io – Geolocation by IP2019 · ip-api.io · ▲36

  Fast JSON API for IPv4/IPv6 geolocation, ASN/ISP data, and VPN/proxy detection. Start in minutes.

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  WorldIP.ioJul 2026 · worldip.io · ▲17

  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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