Free IP Lookup Tool for Investigating Any IP Address. 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 IP intelligence with a free Community account.
Enrich IP addresses and assess live traffic sessions in real time. Identify VPNs, proxies, residential networks, and suspicious infrastructure with explainable signals. Built on continuously verified IP intelligence, not static IP or proxy databases.
Run free IP lookups instantly. No credit card required. No credit card required.

Investigate the Infrastructure Behind Any IP Address
Identify VPN usage, proxy infrastructure, and anonymized traffic tied to suspicious activity. Investigate infrastructure used in fraud, abuse, and automation.
Use Spur as a free IP lookup tool to analyze and investigate suspicious IP addresses.
What’s Included in Spur Community
Use IP lookups to investigate VPNs, proxies, and suspicious 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 active VPN and 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 Investigating IP Addresses for Free.
Run IP lookups instantly and investigate suspicious traffic. No credit card or sales call required.
