Check Your IP & Detection Risk
See exactly what websites see when you connect — your IP, ASN, location, detection classification, trust score, and WebRTC leak status.
Your IP vs Mobile Proxy IP
Side-by-side: what websites see now vs what they'd see through a mobile carrier IP.
Detecting...
- Trust Score—
- Detection Risk—
- ASN—
- CGNAT SharingNo
Mobile Carrier (4G/5G)
- Trust Score92-95 / 100
- Detection RiskLow
- ASNCarrier ASN (whitelisted)
- CGNAT SharingYes (1000s of real users)
How This Detection Works
ASN Lookup
Every IP belongs to an Autonomous System. Anti-bot stacks classify the ASN before they look at your request.
Detection layers explainedIP Reputation DBs
MaxMind, IPQualityScore, Spur.us, and IP2Proxy maintain lists of known datacenter / VPN / proxy IPs.
Why CGNAT IPs winWebRTC + DNS Leaks
Browsers can expose your real IP via WebRTC's STUN candidates, bypassing HTTP/HTTPS proxies that only tunnel TCP.
Browser fingerprinting guideFrequently Asked Questions
About IP detection, classification, ASNs, and WebRTC leaks
What does this IP checker actually test?
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It detects your public IP, looks up its ASN (autonomous system number), determines the operator behind it, classifies the IP type (mobile carrier, residential ISP, datacenter, or VPN/hosting), assigns a trust score based on how websites typically treat that class, and runs a WebRTC leak test in your browser to check whether additional IPs are exposed beyond your public IP.
How are IPs classified into mobile / residential / datacenter?
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Classification is based on the ASN owner and organization name. Mobile carrier ASNs (T-Mobile, Verizon Wireless, Vodafone, Orange Mobile, etc.) serve phone subscribers. Residential ISP ASNs (Comcast, BT, Deutsche Telekom) serve home internet. Datacenter ASNs (AWS, Google Cloud, Hetzner, OVH, DigitalOcean) serve cloud servers. Commercial reputation databases like MaxMind and IPQualityScore use the same approach with additional behavioral signals.
What is an ASN and why does it matter?
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An Autonomous System Number is a globally unique identifier for a network operator, assigned by IANA/RIRs. Every IP address belongs to an ASN. Anti-bot systems classify the ASN before they look at your actual request — datacenter ASNs get auto-flagged, carrier ASNs cannot be bulk-blocked without harming real subscribers. ASN is the foundational layer of proxy detection.
What is a WebRTC leak?
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WebRTC is a browser API that uses STUN servers over UDP to discover candidate IPs for peer-to-peer connections. JavaScript can read these candidates silently. Because HTTP/HTTPS proxies only tunnel TCP, WebRTC's UDP traffic bypasses the proxy and exposes your real IP. If our test shows additional IPs different from your public IP, your proxy or VPN setup is leaking.
Why is my trust score so low if I'm on a regular connection?
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If you're on a datacenter IP (cloud server, hosting provider) or a known VPN, anti-bot systems automatically score you low — even though you're a real person. This is why scraping, account creation, and social media automation fail from these IPs. Mobile carrier IPs avoid this because they're shared with millions of real phone users.
How can I improve my IP's trust score?
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Switch to an IP class that anti-bot systems trust. Mobile carrier IPs have the highest trust because blocking them harms real users via CGNAT. Residential IPs work for most use cases. Datacenter IPs only work if the target site doesn't run anti-bot protection. For commercial use cases (scraping, multi-account, ad verification), mobile proxies are the most reliable option.
Dig Deeper
Technical guides on detection and proxy infrastructure
How Websites Detect Proxies in 2026
7 detection layers: IP reputation, ASN, TLS/JA4, TCP stack, headers, leaks, behavior
What Is a Mobile Proxy?
Pillar guide: CGNAT, carrier IPs, HTTP vs SOCKS5, rotation strategies
CGNAT & Trust Scores Explained
RFC 6598 deep dive — why carrier IPs are trusted by default
Mobile vs Residential Proxy (2026)
Architecture comparison, detection rates, when to use each
Multi-Account Management Guide
Browser fingerprinting, isolation, platform-specific strategies
How to Bypass an IP Ban
Why CGNAT carrier IPs can't be permanently blocked + setup guide
Want a Clean IP That Sites Trust?
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