diff --git a/data/category-ads b/data/category-ads
index 75aff10b..6b9562c5 100644
--- a/data/category-ads
+++ b/data/category-ads
@@ -36,6 +36,7 @@ include:newrelic-ads
 include:ogury-ads
 include:onesignal-ads
 include:ookla-speedtest-ads
+include:openx-ads
 include:pocoiq-ads
 include:pubmatic-ads
 include:segment-ads
diff --git a/data/category-ads-all b/data/category-ads-all
index a12497b5..f8b190b1 100644
--- a/data/category-ads-all
+++ b/data/category-ads-all
@@ -17,7 +17,6 @@ lijit.com @ads
 mfadsrvr.com @ads
 mgid.com @ads
 ns1p.net @ads
-openx.net @ads
 pubmatic.com @ads
 snapads.com @ads
 spotxchange.com @ads
diff --git a/data/openx-ads b/data/openx-ads
new file mode 100644
index 00000000..47aea919
--- /dev/null
+++ b/data/openx-ads
@@ -0,0 +1,5 @@
+openx.net @ads
+openxadexchange.com @ads
+openxcdn.net @ads
+openxenterprise.com @ads
+openxmarket.asia @ads