IP Reputation
Real-time IP address threat analysis
Check any IP address against 50+ threat intelligence sources. Get instant risk scores, abuse history, geolocation, and ASN data.
Get instant threat analysis with risk scores, threat categories, and detailed reports.
Key Features
Everything you need to protect your infrastructure and users
Threat Detection
Identify IPs involved in malware, botnets, spam, DDoS, scanning, and other malicious activities.
Geolocation Data
Get country, city, ISP, and organization information for any IP address.
ASN Intelligence
See which network owns the IP and check reputation at the ASN level.
Abuse History
View historical abuse reports and see when an IP was first and last seen as malicious.
Risk Scoring
Get a normalized risk score from 0-100 based on threat severity and confidence.
Bulk IP Checks
Check thousands of IPs at once with our high-performance bulk API.
Use Cases
How security teams use this tool
Firewall Integration
Enrich firewall logs and automatically block high-risk IP addresses.
Login Protection
Check IP reputation during authentication to prevent credential stuffing.
SOC Triage
Help analysts quickly assess if an IP in an alert is known malicious.
Transaction Security
Flag high-risk IPs during payment processing to prevent fraud.
What is IP Reputation?
IP reputation is a security assessment methodology that evaluates the trustworthiness of an IP address based on its historical behavior and associations with malicious activities. Every device connected to the internet has an IP address, and tracking which IPs have been involved in attacks, spam, scanning, or other abuse creates valuable threat intelligence. Organizations use IP reputation data to block malicious traffic at the network perimeter, protect authentication systems, and enrich security alerts with context about threat actors.
How IP Reputation Analysis Works
Our IP reputation system continuously monitors billions of IP addresses across the global internet, collecting data from abuse reports, honeypots, spam traps, network flow analysis, and threat intelligence partnerships. When you query an IP, we check it against multiple reputation databases, analyze its ASN and geolocation context, review historical abuse patterns, and calculate a normalized risk score from 0-100. The response includes threat categories, first-seen and last-seen timestamps, and confidence levels to help you make informed security decisions.
Types of Malicious IP Activity
Malicious IPs engage in various attack patterns: botnet IPs participate in DDoS attacks and coordinated campaigns, scanner IPs probe networks for vulnerabilities, spam IPs send bulk unsolicited emails, brute force IPs attempt credential stuffing attacks, C2 IPs host command-and-control servers for malware, proxy IPs anonymize attacker traffic, and cryptomining IPs run unauthorized mining operations. Understanding the specific threat category helps security teams prioritize responses and implement targeted blocking rules.
Integrating IP Reputation into Your Security Stack
IP reputation data integrates seamlessly into multiple security touchpoints: firewalls can block high-risk IPs at the perimeter, WAFs can challenge suspicious traffic with CAPTCHAs, authentication systems can require additional verification for risky IPs, SIEMs can enrich alerts with reputation context, and fraud prevention systems can flag transactions from compromised IP ranges. Our API supports real-time lookups with sub-50ms response times, enabling inline security decisions without adding latency.
Frequently Asked Questions
What types of malicious IPs do you detect?
Do you provide geolocation data?
How accurate is your IP reputation data?
Can I check private/internal IP addresses?
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