IPWho

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IPWho.org is a low-latency IP geolocation and IP intelligence API built on multi-region bare-metal infrastructure rather than a traditional hyperscale cloud stack. The API delivers accurate IP data including country, region, city, timezone, currency, ISP, and ASN information. It also includes user-agent parsing and security signals such as VPN, proxy, and Tor detection. IPWho operates across 12+ global origin locations with additional edge acceleration, enabling consistent regional performance. Its infrastructure is optimized for predictable latency and throughput, supporting real-time use cases where response speed matters. A free tier is available with 2,000 requests per day and full functionality, with no credit card required. Usage-based pricing is designed to remain cost-efficient compared to many commercial IP geolocation providers. IPWho is suitable for developers building SaaS platforms, fraud detection systems, geo-targeting tools, analytics pipelines, and security-focused applications where latency and cost per request are important factors.