Strengthening trust and safety across the internet
Spamhaus Project is the authority on IP and domain reputation. This intelligence enables us to shine a light on malicious activity, educate and support those who want to change for the better and hold those who don't to account. We do this together with a like-minded community.
7,500,000IPs analyzed every 24 hours
3,000,000Domains processed every 24 hours
4,500,000,0004.5 billionProtected User Mailboxes
1,500Active botnet command and controllers detected
Global internet traffic changes daily, as do the activities of adversaries. These statistics are indicators based on daily averages; actual daily figures will fluctuate. Are you listed in one of Spamhaus' blocklists?
Do you have problems sending email? Do you need to check if an IP address or domain name is on one of our blocklists?
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Last updated: 11th June 2026Countries
Best
Iran-67%Hosting botnet command and controllersWorst
Slovenia+700%Hosting botnet command and controllersJune 2026
Networks
Best
turkcell .com .tr-74%Largest decrease in exploited IPsWorst
tci.ir+28,075%Largest increase in exploited IPsJune 2026
gTLDs
Best
.tokyo-56%Largest % decrease in spam-related domainsWorst
.living+346%Largest % increase in spam-related domainsJune 2026
ccTLDs
Best
.gr-50%Largest % decrease in malicious domainsWorst
.lv+943%Largest % increase in malicious domainsJune 2026
Registrars
Best
Above-66%Largest % decrease in phishing domainsWorst
Aceville Pte . Ltd .+577%Largest % increase in phishing domainsJune 2026
Countries
Best
Iran-67%Hosting botnet command and controllersWorst
Slovenia+700%Hosting botnet command and controllersJune 2026
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