IP lookup guides
Updated April 28, 20266 min read

How to Investigate WAF Logs With IP Lookup

Use IP location, ASN, reputation, and request context to triage WAF alerts faster and with fewer false positives.

Start with the event

Review the WAF rule, endpoint, request method, user agent, headers, payload category, and timestamp before focusing only on the IP address.

The same IP can appear in harmless and harmful events, so context matters.

Add IP intelligence

Use IP lookup to identify country, city, network type, ASN clues, and fraud risk. Compare that context with normal traffic for your application.

A data center IP probing admin URLs deserves different handling than a logged-in customer triggering one false-positive rule.

Decide and document

Tune rules, challenge traffic, block narrowly, or escalate depending on behavior. Keep examples for future analysts.

Crafzo IP Lookup can speed up triage by making source IP context easy to read.

Frequently Asked Questions

Should WAF alerts be blocked automatically?

Some can be, but many environments need tuning to avoid false positives.

What IP data is most useful for WAF review?

Network type, ASN, country, risk score, and history across prior events are especially useful.

Check an IP Address Now

Use the free Crafzo IP Lookup tool to check IP location, risk score, and AI-powered IP health.

Open IP lookup