| Feed | Verdict | Detail | Licence |
|---|---|---|---|
| Spamhaus DROP | Listed | Range on the do-not-route list | Free (terms) |
| FireHOL level 1 | Listed | Aggregated abuse sources | Open data |
| AbuseIPDB | Confidence 100% | 2,914 reports · brute force, web attack | Freemium API |
| GreyNoise | Malicious | Mass scanning of VPN and RDP | Free tier |
| CrowdSec CTI | Aggressive | http:bruteforce on 61 sites | Free tier |