diff --git a/all/ipv4.txt b/all/ipv4.txt
index a8993b97..31e816fa 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -3956,8 +3956,6 @@
 15.220.16.0/20
 15.220.160.0/21
 15.220.168.0/21
-15.220.176.0/21
-15.220.184.0/21
 15.220.196.0/22
 15.220.200.0/23
 15.220.202.0/23
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 7b383645..ea65c6ea 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -288,7 +288,7 @@
 15.220.0.0/17
 15.220.128.0/20
 15.220.144.0/21
-15.220.160.0/19
+15.220.160.0/20
 15.220.196.0/22
 15.220.200.0/21
 15.220.208.128/26
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 1c795de8..844ce6f1 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -1629,8 +1629,6 @@
 15.220.16.0/20
 15.220.160.0/21
 15.220.168.0/21
-15.220.176.0/21
-15.220.184.0/21
 15.220.196.0/22
 15.220.200.0/23
 15.220.202.0/23
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 421d9dfa..a735355c 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -190,7 +190,7 @@
 15.220.0.0/17
 15.220.128.0/20
 15.220.144.0/21
-15.220.160.0/19
+15.220.160.0/20
 15.220.196.0/22
 15.220.200.0/21
 15.220.208.128/26