diff --git a/all/ipv6.txt b/all/ipv6.txt
index 7e8485ca..84173d38 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -2123,6 +2123,7 @@
 2600:1ffb:40c0::/46
 2600:1ffb:60c0::/48
 2600:1ffb:60c1::/48
+2600:1ffb:8021::/48
 2600:1ffb:80a0::/48
 2600:1ffb:80a1::/48
 2600:1ffc:1000::/40
diff --git a/all/ipv6_merged.txt b/all/ipv6_merged.txt
index 9e09b01e..300a9068 100644
--- a/all/ipv6_merged.txt
+++ b/all/ipv6_merged.txt
@@ -625,6 +625,7 @@
 2600:1ffa:e000::/40
 2600:1ffb:40c0::/46
 2600:1ffb:60c0::/47
+2600:1ffb:8021::/48
 2600:1ffb:80a0::/47
 2600:1ffc:1000::/40
 2600:1ffc:2000::/40
diff --git a/amazon/ipv6.txt b/amazon/ipv6.txt
index ad4dd530..bb987b94 100644
--- a/amazon/ipv6.txt
+++ b/amazon/ipv6.txt
@@ -636,6 +636,7 @@
 2600:1ffb:40c0::/46
 2600:1ffb:60c0::/48
 2600:1ffb:60c1::/48
+2600:1ffb:8021::/48
 2600:1ffb:80a0::/48
 2600:1ffb:80a1::/48
 2600:1ffc:1000::/40
diff --git a/amazon/ipv6_merged.txt b/amazon/ipv6_merged.txt
index f4a79e1e..aa4b588d 100644
--- a/amazon/ipv6_merged.txt
+++ b/amazon/ipv6_merged.txt
@@ -495,6 +495,7 @@
 2600:1ffa:e000::/40
 2600:1ffb:40c0::/46
 2600:1ffb:60c0::/47
+2600:1ffb:8021::/48
 2600:1ffb:80a0::/47
 2600:1ffc:1000::/40
 2600:1ffc:2000::/40