IP Reputation Checker
Check if an IP address is blacklisted or flagged for abuse. Free reputation lookup against 7 public blocklists with risk scoring.
Run a check to see results
POST /api/v1/network/ip-reputationKey Features
100% Free
No registration required, unlimited checks
Instant Results
Real-time analysis with detailed output
REST API Access
Integrate into your workflow via API
Accurate Data
Live queries to authoritative sources
What is IP Reputation Checker?
The IP Reputation Checker verifies any IP address against 7 public abuse blocklists including IPsum, AbuseIPDB, FireHOL, and more. It provides a risk score from 0 to 100 based on how many blocklists contain the IP, helping you identify potentially malicious addresses. All checks are performed instantly using in-memory blocklist data updated every 6 hours.
How to Use
- 1Enter an IP address or hostname in the input field
- 2Click 'Run Check' to start the reputation scan
- 3View the risk level (Clean, Low, Medium, or High) and score out of 100
- 4Check which specific blocklists contain the IP address
- 5Use the results to assess whether the IP is trustworthy
Who Uses This
System Administrators
Monitor and troubleshoot infrastructure
Developers
Debug network issues and integrate via API
SEO Specialists
Verify domain configuration and performance
Security Analysts
Audit and assess network security