Welcome
fmb.la is a free composite blocklist for email classification, weighted from multiple sources so only the worst actors are listed.
Lookup
An IP address of either family, an AS number, or a domain name.
Currently listed
184,140-203,958 | individual IP addresses
955-1,210 | netblocks with too many listed addresses
63-69 | whole autonomous systems
Recently listed ASNs
| ASN | Operator | Listed |
|---|---|---|
| AS401401 |  Unredacted Inc |
2026-11-12 |
| AS147049 |  PacketHub S.A. |
2026-11-12 |
| AS43060 |  IPLUS LLC |
2026-11-12 |
| AS56400 |  SPD Chernega Aleksandr Anatolevich |
2026-11-12 |
| AS151330 |  PLAY BROADBAND (PRIVATE) LIMITED |
2026-11-12 |
| AS393406 | DigitalOcean |
2026-11-11 |
| AS35048 |  Biterika Group LLC |
2026-11-10 |
| AS140923 |  Global Link |
2026-11-09 |
| AS219326 |  SULAVI LTD |
2026-11-08 |
| AS151391 | Varendra IT |
2026-11-08 |