Articles

IP lookup shows the wrong city? How geolocation databases infer location, six common sources of error, how to read the precision, and how to cross-check and request corrections.

Telling DNSBLs, commercial reputation scores and platform risk control apart, with a manual dig lookup, how to read return codes safely, and what to do after a listing.

Since IPv4 ran out, carriers share one public IP across many users via CGNAT. How it works, how to tell if you are behind it, the neighbor effect, and tips for choosing mobile IPs.

When an account is throttled or keeps asking for verification, rule out the environment first: a five-step check covering IP type, location consistency, leaks, device fingerprint and stability.

Clean IP but still flagged? How TLS (JA3/JA4) and TCP/IP stack fingerprints work, why proxies create mismatches, and what can and cannot be self-checked.

A condensed checklist covering risk, leaks, and environment consistency from earlier articles — run through it before switching IPs.

A different way to classify IPs — by access method. This guide covers the traits of home broadband, mobile network, and business leased-line IPs.

What counts as good latency depends on the use case. This guide explains how to read a ping value and troubleshoot alongside jitter and packet loss.

A proxy only guarantees your IP gets swapped — DNS queries can still bypass it and expose your real location. Here's how DNS leaks work and how to check for one.

Dynamic and static IPs are a separate axis from network type entirely. This guide explains the difference and which one fits different business scenarios.

From geolocation to ASN, network type, and risk scores — this guide breaks down what every field in an IP lookup result actually means, and how reliable each one is.

Avoiding account correlation takes more than changing IPs. This guide covers IP, device fingerprint, environment consistency, and behavioral isolation together.

As IPv6 adoption grows, the IP-to-user mapping gets more precise, changing both false-positive risk and the difficulty of running isolated multi-account setups.

Proxies, VPNs, and Tor offer different levels of anonymity and carry different risk scores. Here's how risk systems tell them apart and when to use each.

Switching IPs but leaving timezone and language untouched is an easy mismatch for risk systems to detect. Here's how to check and fix it.

Different IP lookup tools often show conflicting results for the same address. Here's why, and how to cross-check results instead of trusting one score.

IP type, purity, and consistency shape account risk and ad performance in cross-border e-commerce and TikTok. Here's how to choose the right IP for each scenario.

Latency, jitter and packet loss measure a network's stability, not its speed. This article explains what each one is, what counts as normal, why jitter often matters more than latency, and why a web test always reads higher than the command line.

That "AS" number you see when looking up an IP is the ASN, identifying who manages a batch of addresses. This article explains how ASN, IP and ISP relate, why it reveals an IP's true nature better than location, and how to look one up.

Clear your cookies, go incognito, and a site still recognises you — through your browser fingerprint. This article breaks down the traits it is built from (Canvas, WebGL, fonts, audio and more), why it tracks devices across IPs, and why hiding it often backfires.

Even with a proxy connected, your browser can expose your real IP through WebRTC. This article explains how WebRTC leaks happen, why they draw more attention than using no proxy, and how to check and fix them across browsers.

The difference between datacenter and residential IPs is the heaviest factor in how platforms judge an address. This article covers how network type is detected, native versus broadcast IPs, and the real impact and common misclassifications of each type.

An IP risk score reflects how much a platform is likely to trust an address. This article covers the signals platforms actually look at, why datacenter IPs carry more risk, and what this kind of check can and cannot tell you.