isMalicious + AbuseIPDB
Community-reported IP abuse database. isMalicious consumes this source and correlates it with others — this page explains what that adds, and when to go to the source directly.
AbuseIPDB is one of the sources isMalicious aggregates
We are not a replacement for AbuseIPDB, and the table below is not a scoreboard. isMalicious ingests or queries AbuseIPDB alongside other sources and returns a single weighted verdict. Rows where isMalicious shows a capability AbuseIPDB does not are usually capabilities of the aggregation layer, not evidence that our data on AbuseIPDB's own specialty is better. For AbuseIPDB's primary use case, go to AbuseIPDB.
Quick verdict
Choose AbuseIPDB when your task is reviewing or contributing IP abuse reports, including Fail2Ban workflows. Evaluate isMalicious when the same investigation also needs domain or URL checks. Compare evidence on the same indicators before replacing either tool.
isMalicious
Real-time threat intelligence API with multi-source correlation, CVE intelligence, and ransomware leak-site tracking.
Best for: Automated threat intelligence at scale
AbuseIPDB
AbuseIPDB provides community-reported IP abuse evidence, report dates and an abuse confidence score. Its API supports IP checks, reports and blacklist downloads.
Best for: Quick, free IP abuse checks for firewall and SIEM enrichment
Feature Comparison
| Feature | isMalicious | AbuseIPDB |
|---|---|---|
| IP reputation | ||
| Domain reputation | ||
| Confidence scoring | ||
| Blocklist download | ||
| Free tier available |
Every row above comes from the data your own lookups query — see it on your own indicators.
Run a free reportAbuseIPDB — Strengths & Limitations
- Free tier with 1K checks/day
- Large community
- Brute-force / SSH abuse coverage
- Simple API
- Focused on IP abuse rather than domain and URL reputation
- An abuse report needs context before a blocking decision
- Compare report age and coverage against your own incidents
Pricing
AbuseIPDB
Free (1K checks/reports per day); Basic $25/month, verified 2026-10-09
Frequently Asked Questions
Which tool fits an IP abuse investigation?
AbuseIPDB exposes community abuse reports and their dates. isMalicious combines configured intelligence sources and supports other indicator types. Use the same IPs and observation window to compare useful evidence; neither score alone proves that an address should be blocked.
Does isMalicious include AbuseIPDB data?
AbuseIPDB is a configured source. Contribution and availability vary by indicator. Consult the evidence returned for the specific report rather than assuming that every check includes this provider.
How should I evaluate a replacement?
Check known malicious and benign IPs from your own cases. Record missing data, source dates, false positives, integration effort and plan limits. Run a real API request before deciding.
Other Comparisons
Decide with your own data
Don't take our word over AbuseIPDB's. Check something real.
Paste any IP, domain, or URL and get a full multi-source report — reputation, WHOIS, DNS, ransomware signals, and an AI verdict. Free, no signup.
- 50 free API calls/month
- No credit card required
- API key in under 2 minutes