diff --git a/all/ipv4.txt b/all/ipv4.txt
index 04e6233d..ef9f8411 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -17,6 +17,7 @@
 3.2.54.0/24
 3.2.55.0/24
 3.2.56.0/24
+3.2.57.0/24
 3.3.0.0/23
 3.3.2.0/24
 3.3.5.0/24
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 8a5b5078..cd7914fc 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -4,7 +4,7 @@
 3.2.4.0/23
 3.2.8.0/21
 3.2.48.0/21
-3.2.56.0/24
+3.2.56.0/23
 3.3.0.0/23
 3.3.2.0/24
 3.3.5.0/24
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index c74b9467..9afc1ecf 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -16,6 +16,7 @@
 3.2.54.0/24
 3.2.55.0/24
 3.2.56.0/24
+3.2.57.0/24
 3.3.0.0/23
 3.3.2.0/24
 3.3.5.0/24
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 64e450a2..e64f9f5d 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -3,7 +3,7 @@
 3.2.4.0/23
 3.2.8.0/21
 3.2.48.0/21
-3.2.56.0/24
+3.2.56.0/23
 3.3.0.0/23
 3.3.2.0/24
 3.3.5.0/24