IP Knowledge Base
Answers to common questions about IP location, risk score, residential vs datacenter detection, blocklists, and WebRTC leaks.
- IP Risk Check: What Is a Risk / Fraud Score and How to Read It
How IP risk and IP reputation checks work: what the risk (fraud) score means, what counts as clean, and why residential and datacenter IPs carry different risk levels.
- How to Tell a Residential IP from a Datacenter (IDC) IP
The difference between residential broadband IPs and datacenter (IDC) IPs, how to tell them apart, and which scenarios each one suits.
- IP Blocklist Check: See Whether an IP Is Blacklisted
IP blocklist check and lookup: find out whether an IP appears on threat-intelligence blocklists (scanning / brute-force / attacks / malware). Data refreshes several times a day.
- WebRTC Leak Test: Stop Your Real IP From Leaking Behind a Proxy
What a WebRTC leak is, why your real IP can still be exposed even when using a proxy, and how to test for it locally in your browser.
- What Are ASN and BGP, and How to Look Them Up
What an ASN (Autonomous System Number) and BGP are, and how to look up an ASN's upstream/downstream topology and the IP ranges it announces.
- What Is a Native IP (vs a Broadcast IP)?
The difference between native IPs and broadcast (BGP-announced) IPs, how to tell them apart, and why streaming unblocking and cross-border use favor native IPs.
- Is TikTok Throttling / Banning You an IP Problem? (Troubleshooting Guide)
A deep dive into how TikTok throttling, zero views, and bans relate to your IP: what makes an IP safe, how to self-check IP quality, and what else matters beyond the IP.
- How to Change and Optimize Your Home Broadband IP
How to change a home broadband IP (redial / restart the modem), how to get a cleaner dynamic IP, and tips for optimizing it.
- What Are CGNAT / Shared IP, and How to Detect Them
What carrier-grade NAT (CGNAT) and shared IPs are, their impact, and how to tell whether you are behind CGNAT.
- Proxy vs VPN vs Tor: What's the Difference
The differences between HTTP/SOCKS proxies, VPNs, and Tor, their anonymity levels, and how easily each is detected by fraud controls.
- How to Check Your Public IP Address (Complete Guide)
A step-by-step guide to checking your public and private IP: one-click web lookup, methods for Windows/Mac/phone/router, the difference between public and private IPs, and which IP you see behind a proxy.
- IPv4 vs IPv6: What's the Difference
The differences between IPv4 and IPv6, address formats, why the transition to IPv6 is happening, and how to check both addresses on a dual-stack network.
- The Difference Between Dynamic and Static IPs
The differences between dynamic and static (fixed) IPs, the pros and cons of each, and which one suits home broadband versus servers.
- Why IP Geolocation Is Inaccurate, and How Precise It Really Is
How accurate IP geolocation really is, why it is sometimes wrong, and how this site blends multiple geolocation databases to improve accuracy.
- What Is a Dual-ISP Residential IP
What the "dual-ISP residential IP" often mentioned in cross-border circles means, why it's considered higher quality, and how to verify it.
- What Is Reverse IP Lookup and How to Use It
What reverse IP lookup (reverse domain lookup) is, what it can find, what it's good for, and how it differs from rDNS / PTR.
- What Is an IP Address
What an IP address is, what it does, the difference between public and private IPs, and the two formats IPv4 and IPv6.
- How Streaming Unblocking Depends on Your IP (Netflix / Disney+ and More)
Why Netflix, Disney+, HBO and other streaming services are so demanding about IPs, what a native IP is, why datacenter IPs get "originals only," and how to self-check whether an IP can unblock on this site.
- What Are whois / RDAP, and How to Read IP Registration Info
What whois and RDAP are, what IP registration info contains (registry, allocation holder, abuse email), and how to look it up.
- Latency, Packet Loss & TTL Explained
What the network metrics latency (RTT), packet loss rate, and TTL mean, what counts as normal, and how to measure latency to different regions.
- The Difference Between Dedicated and Shared IPs
The difference between dedicated and shared IPs, the risks of shared IPs, and why cross-border and account-management work favor dedicated IPs.
- How to Hide Your Real IP and Protect Your Privacy
Common ways to hide your real public IP (proxy / VPN), their limitations, and why you must also guard against WebRTC / DNS leaks.
- How to Check IP Quality: 5 Dimensions to Judge Any IP
How do you check whether an IP is good or bad? This guide walks through 5 verifiable dimensions (IP type, risk score, blocklist, native, shared) and grounds each one in real scenarios like account warming, cross-border e-commerce, and AI/API calls.
- How to Check an IP Risk Score: Scoring Logic and Self-Check
How do you check an IP's risk score? This article explains what the risk score means, what counts as safe, and how to read the rationale — using real examples like datacenter IPs and blocklisted IPs.
- How to Check What an IP Is Good For (Use-Case Fit)
How do you tell what an IP is good for? This guide shows you how to work backward from IP type, risk score, latency, and blocklist status to a use case, with star-rated verdicts for TikTok account warming, cross-border e-commerce, AI calls, data scraping, and more.
- How to Check IP Purity: A Self-Check Checklist
How do you check whether an IP is clean? This article gives a purity checklist you can tick off item by item (proxy / VPN / Tor / blocklist / hostname), explains how purity relates to the risk score, and uses real examples to show why failing one item wastes all the rest.