IP address & geolocation guides
Practical explanations for understanding IP addresses, network location, VPN and proxy signals, fraud context, APIs and website geolocation.
How to Find Your IP Address on Any Device
Find your public or local IP address on Windows, macOS, iPhone, Android and Linux, and understand the difference between IPv4, IPv6, public and private addresses.
Read guide → GeolocationWhat Is IP Geolocation and How Does It Work?
Learn how IP geolocation estimates country, region and city, where the data comes from, why coordinates are approximate, and what affects IP location accuracy.
Read guide → Privacy signalsHow to Detect VPN and Proxy IP Addresses
Understand VPN IP detection, proxy detection, TOR and hosting signals, common false positives, and how to use IP intelligence without blocking legitimate users.
Read guide → Privacy signalsDNS Leak Test Guide: What a DNS Leak Is and How to Check
Learn what a DNS leak is, why it can happen with VPNs, how to test DNS routing, what results mean, and how to reduce common DNS leak risks.
Read guide → Risk & fraudUsing IP Address Intelligence for Fraud Detection
Learn how IP address intelligence can support fraud detection using location, ASN, VPN/proxy, hosting, velocity and confidence signals without overblocking users.
Read guide → Developer guidesHow to Choose an IP Geolocation API
A practical framework for comparing IP geolocation APIs by accuracy, VPN/proxy data, IPv6 coverage, latency, pricing, privacy, rate limits and operational fit.
Read guide → Developer guidesHow to Compare IP Lookup Tools
Compare IP lookup tools by geolocation, ASN, VPN/proxy detection, IPv6 support, privacy, freshness, transparency and workflow rather than surface-level feature counts.
Read guide → IP basicsIPv4 vs IPv6: Differences That Matter
Understand IPv4 vs IPv6 addressing, notation, NAT, privacy addresses, DNS, security and what dual-stack adoption means for websites and businesses.
Read guide → Network controlsHow to Block IP Addresses by Country Without Breaking Your Site
Learn how country IP blocking works, its limitations, where to enforce it, how to avoid SEO and availability problems, and when a challenge is safer than a hard block.
Read guide → Developer guidesUsing IP Geolocation on a Website: Localization, Security and Delivery
Practical ways to use IP geolocation for website localization, content delivery, timezone defaults and security without hurting privacy, accessibility or multilingual SEO.
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