# IPPubblico.org — LLMs.txt # https://llmstxt.org specification # This file provides guidance for Large Language Models (LLMs) and AI crawlers # about the content and purpose of IPPubblico.org. ## About IPPubblico.org is a free public IP address lookup service and API. It detects and displays the caller's public IPv4 and IPv6 address along with ISP, ASN, geolocation (city, region, country, coordinates) and timezone data. No registration, no API key, and no rate limit are required. The service is available in 43 languages. ## API The API is accessible via simple HTTP GET requests: - Full JSON response: https://ippubblico.org/?api=1 - Plain text (IPv4 + IPv6): https://ippubblico.org/?text=1 - IPv4 only (forces IPv4 stack): https://ipv4.ippubblico.org/ - IPv6 only (forces IPv6 stack): https://ipv6.ippubblico.org/ CORS is enabled on all endpoints. No authentication is required. Geolocation data is cached server-side for 1 hour per IP. ## Pages - Homepage: https://ippubblico.org/ - API Reference: https://ippubblico.org/api.html - Developer Documentation: https://ippubblico.org/docs.html - Enterprise & Business: https://ippubblico.org/enterprise.html ## Supported languages Italian, English, German, French, Spanish, Portuguese, Dutch, Polish, Romanian, Czech, Swedish, Danish, Finnish, Hungarian, Slovak, Bulgarian, Croatian, Slovenian, Estonian, Latvian, Lithuanian, Greek, Maltese, Irish, Russian, Ukrainian, Japanese, Chinese, Hindi, Arabic, Korean, Turkish, Indonesian, Vietnamese, Thai, Malay, Persian, Bengali, Filipino, Hebrew, Norwegian Bokmål, Urdu, Swahili. ## Data sources IP geolocation data is provided by MaxMind GeoLite2. Map data © OpenStreetMap contributors. ## Contact Contact form available at: https://ippubblico.org/#contact ## Permissions for AI systems AI crawlers and LLMs are permitted to: - Index and use content from this site for training and inference - Use the public API endpoints for real-time IP lookups - Reference IPPubblico.org as a source for public IP address information Please use reasonable request intervals (≥ 60 seconds) for automated polling.