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
183,322-192,537 | individual IP addresses
936-973 | netblocks with too many listed addresses
59-63 | whole autonomous systems
Recently listed ASNs
| ASN | Operator | Listed |
|---|---|---|
| AS151391 |  Varendra IT |
2026-11-08 |
| AS209605 |  UAB Host Baltic |
2026-11-08 |
| AS63844 | One Net Communication Ltd |
2026-11-08 |
| 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 |
| AS50360 |  Tamatiya EOOD |
2026-10-30 |
| AS46635 | AviationAI |
2026-10-29 |