diff --git a/all/ipv4.txt b/all/ipv4.txt
index d2d44ec8..c4c828db 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -33,7 +33,6 @@
 3.4.8.0/24
 3.4.9.0/24
 3.4.10.0/24
-3.4.11.0/24
 3.4.16.0/21
 3.4.24.0/21
 3.4.32.0/20
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 3701a888..82cc2fe0 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -15,7 +15,8 @@
 3.4.0.0/22
 3.4.4.0/24
 3.4.6.0/23
-3.4.8.0/22
+3.4.8.0/23
+3.4.10.0/24
 3.4.16.0/20
 3.4.32.0/20
 3.5.0.0/19
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 75adeb8b..7abac1dc 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -33,7 +33,6 @@
 3.4.8.0/24
 3.4.9.0/24
 3.4.10.0/24
-3.4.11.0/24
 3.4.16.0/21
 3.4.24.0/21
 3.4.32.0/20
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 1b6f4147..15ad1fde 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -15,7 +15,8 @@
 3.4.0.0/22
 3.4.4.0/24
 3.4.6.0/23
-3.4.8.0/22
+3.4.8.0/23
+3.4.10.0/24
 3.4.16.0/20
 3.4.32.0/20
 3.5.0.0/19