diff --git a/all/ipv6.txt b/all/ipv6.txt
index 0783c2d8..47a6d584 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -237311,6 +237311,7 @@
 2600:f0f1:87::/48
 2600:f0f1:88::/48
 2600:f0f1:89::/48
+2600:f0f1:90::/44
 2600:f0f1:4000::/42
 2600:f0f1:4040::/42
 2600:f0f1:4100::/42
diff --git a/all/ipv6_merged.txt b/all/ipv6_merged.txt
index 53f875da..dcb8dc14 100644
--- a/all/ipv6_merged.txt
+++ b/all/ipv6_merged.txt
@@ -12022,7 +12022,7 @@
 2600:f0f1:8b00::/46
 2600:f0f1:10::/46
 2600:f0f1:40c0::/42
-2600:f0f1:80::/44
+2600:f0f1:80::/43
 2600:f0f1:4000::/41
 2600:f0f1:4100::/40
 2600:f0f1:4200::/39
diff --git a/amazon/ipv6.txt b/amazon/ipv6.txt
index 60605ff3..6979a78b 100644
--- a/amazon/ipv6.txt
+++ b/amazon/ipv6.txt
@@ -2195,6 +2195,7 @@
 2600:f0f1:87::/48
 2600:f0f1:88::/48
 2600:f0f1:89::/48
+2600:f0f1:90::/44
 2600:f0f1:4000::/42
 2600:f0f1:4040::/42
 2600:f0f1:4100::/42
diff --git a/amazon/ipv6_merged.txt b/amazon/ipv6_merged.txt
index 15c61579..a7004913 100644
--- a/amazon/ipv6_merged.txt
+++ b/amazon/ipv6_merged.txt
@@ -1606,7 +1606,7 @@
 2600:f0f1:8b00::/46
 2600:f0f1:10::/46
 2600:f0f1:40c0::/42
-2600:f0f1:80::/44
+2600:f0f1:80::/43
 2600:f0f1:4000::/41
 2600:f0f1:4100::/40
 2600:f0f1:4200::/39