Detect Proxy IPs with Real-Time Intelligence. 5,000 Monthly Lookups & 100k Session Assessments Included.
1 "client": {2 "city": "Weldon Springs"3 "behaviors": ["TOR_PROXY_USER"],4 "concentration": {5 "country": "US",6 "density": 0.202,7 "geohash": "9yz",8 "skew": 45,9 "state": "Missouri",
Get direct access to Spur’s verified proxy, VPN, and IP intelligence with a free Community account.
Enrich IP addresses and assess live traffic sessions in real time. Detect proxy infrastructure, identify anonymization signals, and validate suspicious activity with explainable intelligence. Built on continuously verified IP intelligence, not static proxy lists.
Run free proxy and IP investigations in seconds. No credit card required.

Reveal the Proxy Infrastructure Behind Any IP Address
Detect proxy infrastructure, VPN usage, and anonymized traffic tied to suspicious activity. Identify infrastructure used in fraud, automation abuse, and account attacks.
Use Spur as a free proxy detection and IP lookup tool to investigate suspicious infrastructure.
What’s Included in Spur Community
Use IP lookups to investigate proxy, VPN, and anonymous traffic. Use session assessments to evaluate live traffic activity.
Need more automation or higher query volumes? Upgrade anytime.
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5,000 lookups per month
Run up to 5,000 IP investigations every month at no cost.
5,000 lookups per month
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100k session assessments
Evaluate 100,000 live traffic sessions per month with Spur enrichment.
100k session assessments
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Same core data as paid plans
Evaluate our verified IP intelligence and add scale when you need it.
Same core data as paid plans
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Real-time dataset
Access continuously updated intelligence on VPN, proxy, and residential proxy infrastructure.
Real-time dataset
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IPv4 and IPv6 coverage
Enrich any public IP address across modern and legacy networks.
IPv4 and IPv6 coverage
Start Detecting Proxy Traffic for Free.
Start investigating proxy, VPN, and anonymous IP infrastructure instantly. No credit card or sales call required.
