diff --git a/all/ipv6.txt b/all/ipv6.txt
index 56d3091a..1b7ce1f8 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -235179,7 +235179,7 @@
 2406:da00:ff00::/48
 2406:da1a:74a:4b00::/56
 2406:da1a:8000::/36
-2406:da1a::/36
+2406:da1a::/35
 2406:da1b:d1d:8800::/56
 2406:da1b::/36
 2406:da1c:7ff:f800::/56
diff --git a/all/ipv6_merged.txt b/all/ipv6_merged.txt
index fcef960b..e0414afc 100644
--- a/all/ipv6_merged.txt
+++ b/all/ipv6_merged.txt
@@ -10566,7 +10566,7 @@
 2406:da00:f000::/40
 2406:da00:ff00::/48
 2406:da1a:8000::/36
-2406:da1a::/36
+2406:da1a::/35
 2406:da1b::/36
 2406:da1c:8000::/36
 2406:da1c::/35
diff --git a/amazon/ipv6.txt b/amazon/ipv6.txt
index 54d80ef4..70b1ca2f 100644
--- a/amazon/ipv6.txt
+++ b/amazon/ipv6.txt
@@ -570,7 +570,7 @@
 2406:da00:ff00::/48
 2406:da1a:74a:4b00::/56
 2406:da1a:8000::/36
-2406:da1a::/36
+2406:da1a::/35
 2406:da1b:d1d:8800::/56
 2406:da1b::/36
 2406:da1c:7ff:f800::/56
diff --git a/amazon/ipv6_merged.txt b/amazon/ipv6_merged.txt
index 686f3bbf..bcf0cdac 100644
--- a/amazon/ipv6_merged.txt
+++ b/amazon/ipv6_merged.txt
@@ -467,7 +467,7 @@
 2406:da00:f000::/40
 2406:da00:ff00::/48
 2406:da1a:8000::/36
-2406:da1a::/36
+2406:da1a::/35
 2406:da1b::/36
 2406:da1c:8000::/36
 2406:da1c::/35