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
184,512-192,537 | individual IP addresses
938-973 | netblocks with too many listed addresses
59-62 | whole autonomous systems
Recently listed ASNs
| ASN | Operator | Listed |
|---|---|---|
| AS30006 |  TOP BUSINESS INC |
2026-11-06 |
| AS62874 | web2objects GmbH |
2026-11-05 |
| AS219329 |  FLASH EDGE INFORMATION TECHNOLOGY LLC |
2026-11-05 |
| AS400940 | Railway |
2026-11-04 |
| AS208821 |  DURU INTERNET VE BILISIM TEKNOLOJILERI SANAYI TICARET LIMITED SIRKETI |
2026-11-02 |
| AS33333 | objx.net, LLC |
2026-11-01 |
| AS50360 |  Tamatiya EOOD |
2026-10-30 |
| AS46635 | AviationAI |
2026-10-29 |
| AS214961 |  Stellar Group SAS |
2026-10-28 |
| AS135377 |  UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED |
2026-10-25 |