diff --git a/all/ipv6.txt b/all/ipv6.txt
index 9dbeead0..3e1dd2a9 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -11756,7 +11756,6 @@
 2604:a880:cad:d0::/64
 2605:9cc0:1ff0:1000::/52
 2605:9cc0:1ff0:2800::/56
-2605:9cc0:1ff0:2900::/56
 2605:9cc0:1ff0:2d00::/56
 2605:9cc0:1ff0:3c00::/56
 2605:9cc0:1ff0:4000::/54
diff --git a/all/ipv6_merged.txt b/all/ipv6_merged.txt
index a66e8d00..7ec8da21 100644
--- a/all/ipv6_merged.txt
+++ b/all/ipv6_merged.txt
@@ -1613,7 +1613,7 @@
 2604:a880:800:c1::/64
 2604:a880:cad:d0::/64
 2605:9cc0:1ff0:1000::/52
-2605:9cc0:1ff0:2800::/55
+2605:9cc0:1ff0:2800::/56
 2605:9cc0:1ff0:2d00::/56
 2605:9cc0:1ff0:3c00::/56
 2605:9cc0:1ff0:4000::/54
diff --git a/amazon/ipv6.txt b/amazon/ipv6.txt
index 11eb5b2a..3cd06429 100644
--- a/amazon/ipv6.txt
+++ b/amazon/ipv6.txt
@@ -983,7 +983,6 @@
 2600:f0f1:8802::/48
 2605:9cc0:1ff0:1000::/52
 2605:9cc0:1ff0:2800::/56
-2605:9cc0:1ff0:2900::/56
 2605:9cc0:1ff0:2d00::/56
 2605:9cc0:1ff0:3c00::/56
 2605:9cc0:1ff0:4000::/54
diff --git a/amazon/ipv6_merged.txt b/amazon/ipv6_merged.txt
index 9812b7f8..7e2011f1 100644
--- a/amazon/ipv6_merged.txt
+++ b/amazon/ipv6_merged.txt
@@ -786,7 +786,7 @@
 2600:f0f1:8801::/48
 2600:f0f1:8802::/48
 2605:9cc0:1ff0:1000::/52
-2605:9cc0:1ff0:2800::/55
+2605:9cc0:1ff0:2800::/56
 2605:9cc0:1ff0:2d00::/56
 2605:9cc0:1ff0:3c00::/56
 2605:9cc0:1ff0:4000::/54