diff --git a/all/ipv4.txt b/all/ipv4.txt
index bc1880ff..2099ae31 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -35,7 +35,6 @@
 3.4.8.0/24
 3.4.9.0/24
 3.4.10.0/24
-3.4.11.0/24
 3.4.15.0/28
 3.4.16.0/21
 3.4.24.0/21
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 737437e9..b5afeae6 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
 3.4.6.0/24
-3.4.8.0/22
+3.4.8.0/23
+3.4.10.0/24
 3.4.15.0/28
 3.4.16.0/20
 3.4.32.0/20
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 73273ba5..7a2dfc06 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -34,7 +34,6 @@
 3.4.8.0/24
 3.4.9.0/24
 3.4.10.0/24
-3.4.11.0/24
 3.4.15.0/28
 3.4.16.0/21
 3.4.24.0/21
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 395b0f3f..0b2ea8f3 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -14,7 +14,8 @@
 3.4.0.0/22
 3.4.4.0/24
 3.4.6.0/24
-3.4.8.0/22
+3.4.8.0/23
+3.4.10.0/24
 3.4.15.0/28
 3.4.16.0/20
 3.4.32.0/20