Computers

Free DNSBL for eMail Service providers.

Abuse.ro is a collection of classification and reputation databases for public IP addresses and web domains.

Publishes a list of known abusive hosts (open relays, open proxies, spam sources, DoS drones, and more) in various forms including a DNSbl.

Lists IP blocks of China and Korea for those who want to avoid asian spam.

The DrMX Project is a nonprofit organization whose mission is to track the Internet's spam operations, to provide dependable realtime anti-spam protection for Internet networks.

This list contains IP addresses which have been reported to SpamCop as carriers of spam (source of e-mail or verified, open relay). Some of these reports now come from spamtraps (email addresses used strictly to receive spam).

All IPs on the SBL belong to known spammers, spam gangs, or spam support services. The SBL includes IPs from both the ROKSO database and IPs of spam services listed in the Spamhaus database.

ROKSO collates evidence on known hard-line spam outfits that have been thrown off Internet Service Providers over three times.

Fully-automated and free Real Time BlackLists (RBLs), designed to target various Trojans, Bots, infected PCs and other IP address which are being used to send out spam.

Free (donations welcome) and Commercial DNSBL. Lists IPs sending spam/malware based on GBUdb IP reputation statistics.

Attempt to generate a free realtime black list of spammer IP numbers.

A realtime URI blacklist served via DNS to identify unsolicited bulk and commercial messages based on the links within the e-mails. Distributed under the Apache open source license.

List of domains that have been advertised via spam, with name server, registration date, registrant. This list is updated daily.

A list of IP Addresses associated with known commercial marketing companies.

Distributes country allocated IP blocks in raw format that can be easily used to reject unwanted email and access to services.