OpenIPApi

Blog

Approfondimenti su IP intelligence, rilevamento minacce e costruzione di API più intelligenti.

Explainer 6 min di lettura

What Is IP Geolocation and How Does It Work?

IP geolocation maps an IP address to a physical location using databases built from ISP data, BGP routing tables, and active probing.

March 10, 2026

Security 9 min di lettura

The Developer's Guide to VPN & Proxy Detection

Learn how modern VPN detection works: port patterns, reverse DNS heuristics, ASN ownership checks, and active probing techniques.

March 5, 2026

Security 7 min di lettura

Tor Exit Nodes: What They Are and Why They Matter for APIs

Tor exit nodes are the final relay in the Tor network. Understanding them helps you make smarter access control decisions.

February 28, 2026

Use Case 8 min di lettura

Using IP Intelligence for Fraud Prevention

Combining geolocation, threat scores, and anomaly detection to block fraudulent signups and transactions before they happen.

February 20, 2026

Explainer 5 min di lettura

ASN Lookups: Understanding Autonomous System Numbers

ASNs identify the networks that make up the internet. Here's how to use them to classify traffic by ISP, hosting provider, or enterprise.

February 14, 2026

Engineering 6 min di lettura

Smarter Rate Limiting Using IP Data

Plain IP rate limiting is easy to bypass. Combining connection type, ASN, and threat score makes it far more effective.

February 7, 2026