diff --git a/all/ipv4.txt b/all/ipv4.txt
index 5c0873f2f..dea12e4f3 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -46650,6 +46650,7 @@
 135.255.0.0/16
 136.8.0.0/15
 136.18.0.0/23
+136.18.4.0/22
 136.18.18.0/24
 136.18.19.0/24
 136.18.20.0/24
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 611cba173..259fbf332 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -1954,6 +1954,7 @@
 135.254.0.0/15
 136.8.0.0/15
 136.18.0.0/23
+136.18.4.0/22
 136.18.18.0/23
 136.18.20.0/22
 136.18.32.0/23
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index e2dab499f..0a301f120 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -5573,6 +5573,7 @@
 130.176.255.0/24
 136.8.0.0/15
 136.18.0.0/23
+136.18.4.0/22
 136.18.18.0/24
 136.18.19.0/24
 136.18.20.0/24
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index f2c0ccaee..b63b95dab 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -1229,6 +1229,7 @@
 130.176.254.0/23
 136.8.0.0/15
 136.18.0.0/23
+136.18.4.0/22
 136.18.18.0/23
 136.18.20.0/22
 136.18.32.0/23