TOOLS / IP REPUTATION
IP Reputation Lookup
Check any IPv4/IPv6 against AbuseIPDB (90-day reports), ipinfo geo, ASN, ISP, and Tor exit-node lists.
What it does
Every malicious URL has an IP behind it. Every brute-force login attempt comes from somewhere geo-locatable. Our IP Reputation Lookup queries AbuseIPDB for community-reported abuse history over the last 90 days, ipinfo.io for network and geo context, and flags Tor exit nodes. Combine with the URL Checker for full investigation of an HTTP-based threat: URL → IP → ASN → known-abusive ISP.
How to use it
- Enter an IPv4 (e.g. 8.8.8.8) or IPv6 (e.g. 2001:4860:4860::8888) address.
- Click "Look up" — results return in 1–2 seconds.
- Read the abuse score: 0 = clean, 25–74 = suspicious, 75–100 = malicious.
- Check "total reports" — high count means many independent reporters flagged this IP.
- Use the ISP/ASN data to identify abuse-prone hosts (e.g. bulletproof providers).
Common use cases
Firewall rule justification
Before adding an IP to a permanent blocklist, verify it has external corroboration (not just a one-off log line).
Login attempt investigation
When you see failed logins from an unfamiliar IP, check reputation — established brute-force source vs. legitimate user on unusual network.
DDoS post-mortem
Cross-reference attacker IPs against AbuseIPDB to identify which networks contributed and prioritize abuse reports.
Tor exit-node policy enforcement
Many sites block Tor for compliance — our tool surfaces Tor status reliably.
Frequently asked questions
What is the AbuseIPDB score based on? +
Confidence-weighted aggregation of community reports (abuse complaints, fail2ban hits, honeypot logs) over the last 90 days. 100 = many reports very recently; 0 = no reports.
Why is a major cloud provider IP flagged high? +
Shared infrastructure — AWS, DigitalOcean, OVH IPs frequently host short-lived attacker VMs. Check the "ISP" and "usage type" fields for context.
What if my own server appears suspicious? +
If you legitimately own the IP, file a delisting at https://www.abuseipdb.com/whitelist — they review within a few days.
Are private IPs (192.168.x.x) supported? +
No — we block private/reserved IP ranges since they can’t be globally evaluated.
Is IPv6 supported? +
Yes. Both AbuseIPDB and ipinfo handle IPv6.
Related tools
Phishing URL Checker
URLhaus + Safe Browsing + 7-indicator heuristic engine. Safe to use on suspicious links.
WHOIS / RDAP Lookup
Modern WHOIS via RDAP. Registration date, registrar, nameservers, plus "newly registered" flag.
DNS Records Lookup
All 8 record types in one card. Powered by Cloudflare DNS-over-HTTPS.
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Free for everyone, no signup required. Tool runs at /tools/ip-reputation/ — bookmark or share.