diff --git a/all/ipv6.txt b/all/ipv6.txt
index fce73959..872db5f2 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -238183,6 +238183,7 @@
 2600:f0f0:4::/48
 2600:f0f0:8::/48
 2600:f0f0:10::/48
+2600:f0f0:11ff::/48
 2600:f0f0:11::/48
 2600:f0f0:20::/48
 2600:f0f0:30e::/48
diff --git a/all/ipv6_merged.txt b/all/ipv6_merged.txt
index 0cc526f4..ecec579f 100644
--- a/all/ipv6_merged.txt
+++ b/all/ipv6_merged.txt
@@ -11490,6 +11490,7 @@
 2600:f0f0:4::/48
 2600:f0f0:8::/48
 2600:f0f0:10::/47
+2600:f0f0:11ff::/48
 2600:f0f0:20::/48
 2600:f0f0:30e::/47
 2600:f0f0:30::/44
diff --git a/amazon/ipv6.txt b/amazon/ipv6.txt
index 0bc527b2..9d17081d 100644
--- a/amazon/ipv6.txt
+++ b/amazon/ipv6.txt
@@ -1563,6 +1563,7 @@
 2600:f0f0:4::/48
 2600:f0f0:8::/48
 2600:f0f0:10::/48
+2600:f0f0:11ff::/48
 2600:f0f0:11::/48
 2600:f0f0:20::/48
 2600:f0f0:30e::/48
diff --git a/amazon/ipv6_merged.txt b/amazon/ipv6_merged.txt
index 4534503a..6f0dcdd8 100644
--- a/amazon/ipv6_merged.txt
+++ b/amazon/ipv6_merged.txt
@@ -1283,6 +1283,7 @@
 2600:f0f0:4::/48
 2600:f0f0:8::/48
 2600:f0f0:10::/47
+2600:f0f0:11ff::/48
 2600:f0f0:20::/48
 2600:f0f0:30e::/47
 2600:f0f0:30::/44