diff --git a/all/ipv4.txt b/all/ipv4.txt
index ce4d42ec..d7309305 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -4055,6 +4055,9 @@
 15.230.220.0/24
 15.230.221.0/24
 15.230.222.0/24
+15.230.223.0/31
+15.230.223.2/31
+15.230.223.4/31
 15.230.23.0/24
 15.230.24.0/22
 15.230.28.0/24
@@ -27750,6 +27753,7 @@
 52.82.169.0/28
 52.82.169.16/28
 52.82.170.0/24
+52.82.171.0/24
 52.82.176.0/22
 52.82.180.0/22
 52.82.184.0/23
@@ -28665,6 +28669,7 @@
 54.222.88.0/24
 54.222.89.0/24
 54.222.90.0/24
+54.222.91.0/24
 54.222.92.0/22
 54.222.96.0/22
 54.223.0.0/16
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 24a37b01..ad840aa6 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -352,6 +352,8 @@
 15.230.22.0/23
 15.230.220.0/23
 15.230.222.0/24
+15.230.223.0/30
+15.230.223.4/31
 15.230.24.0/21
 15.230.32.0/24
 15.230.35.0/24
@@ -1787,7 +1789,7 @@
 52.82.160.0/21
 52.82.168.0/24
 52.82.169.0/27
-52.82.170.0/24
+52.82.170.0/23
 52.82.176.0/21
 52.82.184.0/23
 52.82.187.0/24
@@ -2065,10 +2067,7 @@
 54.222.59.0/24
 54.222.64.0/21
 54.222.76.0/22
-54.222.80.0/21
-54.222.88.0/23
-54.222.90.0/24
-54.222.92.0/22
+54.222.80.0/20
 54.222.96.0/22
 54.223.0.0/16
 54.224.0.0/13
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 3ca818b3..c85e7dcc 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -1733,6 +1733,9 @@
 15.230.220.0/24
 15.230.221.0/24
 15.230.222.0/24
+15.230.223.0/31
+15.230.223.2/31
+15.230.223.4/31
 15.230.23.0/24
 15.230.24.0/22
 15.230.28.0/24
@@ -3337,6 +3340,7 @@
 52.82.169.0/28
 52.82.169.16/28
 52.82.170.0/24
+52.82.171.0/24
 52.82.176.0/22
 52.82.180.0/22
 52.82.184.0/23
@@ -4241,6 +4245,7 @@
 54.222.88.0/24
 54.222.89.0/24
 54.222.90.0/24
+54.222.91.0/24
 54.222.92.0/22
 54.222.96.0/22
 54.223.0.0/16
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 3a75af17..2248f858 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -258,6 +258,8 @@
 15.230.22.0/23
 15.230.220.0/23
 15.230.222.0/24
+15.230.223.0/30
+15.230.223.4/31
 15.230.24.0/21
 15.230.32.0/24
 15.230.35.0/24
@@ -622,7 +624,7 @@
 52.82.160.0/21
 52.82.168.0/24
 52.82.169.0/27
-52.82.170.0/24
+52.82.170.0/23
 52.82.176.0/21
 52.82.184.0/23
 52.82.187.0/24
@@ -897,10 +899,7 @@
 54.222.59.0/24
 54.222.64.0/21
 54.222.76.0/22
-54.222.80.0/21
-54.222.88.0/23
-54.222.90.0/24
-54.222.92.0/22
+54.222.80.0/20
 54.222.96.0/22
 54.223.0.0/16
 54.224.0.0/13