diff --git a/README.md b/README.md
index 6bb6eb0..c07c8ea 100644
--- a/README.md
+++ b/README.md
@@ -210,6 +210,7 @@ A curated list of awesome malware analysis tools and resources. Inspired by
   online tools for researching malicious websites, compiled by Lenny Zeltser.
 * [SenderBase](http://www.senderbase.org/) - Search for IP, domain or network owner.
 * [SpamHaus](http://www.spamhaus.org/lookup/) - Block list based on domains and IPs.
+* [SpamCop](https://www.spamcop.net/) - IP based spam block list.
 
 ## Browser Malware