diff --git a/data/crawlers/xai.yaml b/data/crawlers/xai.yaml
index bb7b7269..73b6affc 100644
--- a/data/crawlers/xai.yaml
+++ b/data/crawlers/xai.yaml
@@ -2,7 +2,7 @@
   action: DENY
   user_agent_regex: code-review-sourcing.*\+xai-research
   remote_addresses:
-    - 69.12.56.0/12
+    - 69.12.56.0/21
 - name: xai-crawler-user-agent
   action: DENY
   user_agent_regex: code-review-sourcing.*\+xai-research