IPregistry IP Geolocation and Threat Intelligence API

A REST API that resolves IPv4/IPv6 addresses and Autonomous System Numbers to rich intelligence including geolocation, ISP/carrier details, company data, currency and time zone, and threat classification across VPN, proxy, TOR, bot, and abuse categories. Supports single lookups, batch requests of up to 1,024 IPs, user-agent parsing, and ASN lookups, with optional EU base URL for GDPR-aligned data routing.