olemus
spämmi ja kahjurvara allikate IP-aadresside loetelu
= a list of illegitimate or malicious IP addresses to be blocked

näiteid
https://cleantalk.org/blacklists

https://en.wikipedia.org/wiki/Comparison_of_DNS_blacklists

http://iplists.firehol.org/

https://www.wallarm.com/what/ip-blacklisting-what-is-it


vt ka
- kahjuraadress
- mustfiltreerimine
- must register
- must reaalajaregister