diff --git a/all/ipv6.txt b/all/ipv6.txt
index de254c21..328fe427 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -3003,6 +3003,9 @@
 2406:dafa:a000::/40
 2406:dafa:c000::/40
 2406:dafa:e000::/40
+2406:dafc:8c0::/51
+2406:dafc:840::/51
+2406:dafc:880::/51
 2406:dafc:1000::/40
 2406:dafc:2000::/40
 2406:dafc:4000::/40
diff --git a/all/ipv6_merged.txt b/all/ipv6_merged.txt
index 5072a0ec..811a03e1 100644
--- a/all/ipv6_merged.txt
+++ b/all/ipv6_merged.txt
@@ -635,6 +635,9 @@
 2406:dafa:a000::/40
 2406:dafa:c000::/40
 2406:dafa:e000::/40
+2406:dafc:8c0::/51
+2406:dafc:840::/51
+2406:dafc:880::/51
 2406:dafc:1000::/40
 2406:dafc:2000::/40
 2406:dafc:4000::/40
diff --git a/amazon/ipv6.txt b/amazon/ipv6.txt
index e2956961..06ac9ba0 100644
--- a/amazon/ipv6.txt
+++ b/amazon/ipv6.txt
@@ -565,6 +565,9 @@
 2406:dafa:a000::/40
 2406:dafa:c000::/40
 2406:dafa:e000::/40
+2406:dafc:8c0::/51
+2406:dafc:840::/51
+2406:dafc:880::/51
 2406:dafc:1000::/40
 2406:dafc:2000::/40
 2406:dafc:4000::/40
diff --git a/amazon/ipv6_merged.txt b/amazon/ipv6_merged.txt
index f0de208b..5ab20394 100644
--- a/amazon/ipv6_merged.txt
+++ b/amazon/ipv6_merged.txt
@@ -449,6 +449,9 @@
 2406:dafa:a000::/40
 2406:dafa:c000::/40
 2406:dafa:e000::/40
+2406:dafc:8c0::/51
+2406:dafc:840::/51
+2406:dafc:880::/51
 2406:dafc:1000::/40
 2406:dafc:2000::/40
 2406:dafc:4000::/40