diff --git a/roles/denyhost/vars/main.yml b/roles/denyhost/vars/main.yml
index 5681c3b798..fb41b88adf 100644
--- a/roles/denyhost/vars/main.yml
+++ b/roles/denyhost/vars/main.yml
@@ -408,6 +408,17 @@ banned_ranges:
       - 52.148.0.0/14
       - 52.152.0.0/13
       - 52.160.0.0/11
+  - name: VIETTEL-CAMBODIA crawler
+    ip_range:
+      - 175.0.0.0/8
+  - name: unnamed crawler 
+    ip_range:
+      - 172.16.0.0/12
+  - name: DIGITALOCEAN
+    ip_range:
+      - 159.65.0.0/16
+
+  
 # Below is an example of banning Francis
 # - name: Francis test | Description (see ticket 12345)
 # ip_range: