diff --git a/release/ipgroup/crawler/default.txt b/release/ipgroup/crawler/default.txt
index fde5813..a8903a5 100644
--- a/release/ipgroup/crawler/default.txt
+++ b/release/ipgroup/crawler/default.txt
@@ -201,3 +201,10 @@
 66.249.79.32/27
 66.249.79.64/27
 66.249.79.96/27
+
+# river
+39.105.229.198
+101.37.81.162
+47.106.222.10
+8.137.22.18
+8.222.172.192
\ No newline at end of file