AbuseIPDB bulk blacklist — the most-reported abusive IPs above a confidence threshold, the canonical fail2ban / firewall block-feed. Returns ipAddress, countryCode, abuseConfidenceScore, and lastReportedAt for each entry, plus the list's generatedAt timestamp. Tune confidenceMinimum (25-100, default 90), limit (1-10000, default 100), ipVersion (4 or 6), and onlyCountries / exceptCountries (comma-separated ISO-2). Live crowd-sourced threat feed for populating drop lists, WAF rules, and edge blocklists.