diff --git a/all/ipv4.txt b/all/ipv4.txt
index b5e74c82..672ae127 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -5998,6 +5998,7 @@
 20.9.156.214/31
 20.9.156.216/32
 20.9.158.0/23
+20.9.164.0/24
 20.10.0.0/16
 20.10.127.0/24
 20.10.149.151/32
diff --git a/openai/ipv4.txt b/openai/ipv4.txt
index c232c903..4e46a444 100644
--- a/openai/ipv4.txt
+++ b/openai/ipv4.txt
@@ -1,3 +1,4 @@
+20.9.164.0/24
 20.15.240.64/28
 20.15.240.80/28
 20.15.240.96/28
diff --git a/openai/ipv4_merged.txt b/openai/ipv4_merged.txt
index 5ae9536f..e45922a8 100644
--- a/openai/ipv4_merged.txt
+++ b/openai/ipv4_merged.txt
@@ -1,3 +1,4 @@
+20.9.164.0/24
 20.15.240.64/27
 20.15.240.96/28
 20.15.240.176/28