diff --git a/all/ipv4.txt b/all/ipv4.txt
index a20a2724..0c25ea43 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -48426,6 +48426,7 @@
 63.249.170.0/24
 63.249.171.0/24
 63.249.172.0/24
+63.249.173.0/24
 63.249.174.0/24
 63.249.175.0/24
 63.249.176.0/24
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 32745bf8..b5244c5a 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -1658,9 +1658,7 @@
 63.249.160.0/23
 63.249.162.0/24
 63.249.164.0/22
-63.249.168.0/22
-63.249.172.0/24
-63.249.174.0/23
+63.249.168.0/21
 63.249.176.0/22
 63.249.181.0/24
 63.249.182.0/24
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 7329ed22..f422297e 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -5942,6 +5942,7 @@
 63.249.170.0/24
 63.249.171.0/24
 63.249.172.0/24
+63.249.173.0/24
 63.249.174.0/24
 63.249.175.0/24
 63.249.176.0/24
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 79dd0841..654411bf 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -1282,9 +1282,7 @@
 63.249.160.0/23
 63.249.162.0/24
 63.249.164.0/22
-63.249.168.0/22
-63.249.172.0/24
-63.249.174.0/23
+63.249.168.0/21
 63.249.176.0/22
 63.249.181.0/24
 63.249.182.0/24