Threat intel, without the busywork

Bulk IP Reputation Lookup

BulkIPLab is an online cybersecurity tool for checking IPv4 reputation in bulk. Review VirusTotal-based threat detections, geolocation, ASN, and ISP details, then filter or export your results.

01Paste IPv4sOne address per line

02Check reputationVirusTotal-based threat data

03Export resultsCSV or clipboard

Check IP addresses

Paste IPv4 addresses, one per line, to review reputation and network details.

Cybersecurity tools and research from BulkIPLab

BulkIPLab brings together bulk IPv4 reputation checks, file hash lookups, URL analysis, and practical security research for analysts and defenders. Explore our latest vulnerability coverage, incident reporting, threat hunting guides, and defensive explainers.

Security Operations

Pass-the-Hash: NTLM, Kerberos, Detection, and Prevention

A defensive guide to Pass-the-Hash, NTLMv1/v2 and Kerberos, Windows logon types, lateral-movement signals, EDR telemetry, and practical prevention.

October 24, 20268 min read

Vulnerability Analysis

PHP’s 2026 RCE Flaws: Fixed Versions and Response

PHP disclosed two critical RCE flaws in October 2026. See affected versions, fixed releases, and defensive steps for administrators.

October 21, 20266 min read

Data Breaches

SBI’s 2026 Cyber Incident: What the Data Reports Confirm

October 2026 reports say nearly 3,900 SBI customer records were exposed. Here is what coverage confirms—and what remains unknown.

October 21, 20266 min read

Data Breaches

eMudhra Key Leak: What the 2026 Reports Confirm

Reports say eMudhra web security keys were exposed. The IT ministry says digital-signature and eSign services are unaffected; the scope remains under investigation.

October 22, 20266 min read

Engineering

Adding AbuseIPDB to a Bulk IP Lookup: The BulkIPLab Integration

A technical walkthrough of how BulkIPLab requests AbuseIPDB IP reports, keeps API credentials server-side, presents report counts and confidence scores, and handles the limits of reputation data.

June 20, 20269 min read

Threat Intelligence

Bulk IP research best practices for security teams

Prepare IP data before enrichment, keep provider results tied to observed events, and prioritize investigation without mistaking reputation for proof.

May 4, 20267 min read