diff --git a/all/ipv6.txt b/all/ipv6.txt
index fd984a84..9afeb1b2 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -1831,9 +1831,7 @@
 2001:3fc7:9800::/40
 2001:3fc7:a800::/40
 2001:3fc7:b800::/40
-2001:3fc7:c8c0::/46
-2001:3fc7:c840::/46
-2001:3fc7:c880::/46
+2001:3fc7:c800::/40
 2001:3fc7:e800::/40
 2001:3fc7:f800::/40
 2001:19f0:5c00::/38
diff --git a/all/ipv6_merged.txt b/all/ipv6_merged.txt
index b41d75d4..0d3a7b6b 100644
--- a/all/ipv6_merged.txt
+++ b/all/ipv6_merged.txt
@@ -429,9 +429,7 @@
 2001:3fc7:9800::/40
 2001:3fc7:a800::/40
 2001:3fc7:b800::/40
-2001:3fc7:c8c0::/46
-2001:3fc7:c840::/46
-2001:3fc7:c880::/46
+2001:3fc7:c800::/40
 2001:3fc7:e800::/40
 2001:3fc7:f800::/40
 2001:19f0:1000::/37
diff --git a/amazon/ipv6.txt b/amazon/ipv6.txt
index 05142da7..7f1e4abd 100644
--- a/amazon/ipv6.txt
+++ b/amazon/ipv6.txt
@@ -400,9 +400,7 @@
 2001:3fc7:9800::/40
 2001:3fc7:a800::/40
 2001:3fc7:b800::/40
-2001:3fc7:c8c0::/46
-2001:3fc7:c840::/46
-2001:3fc7:c880::/46
+2001:3fc7:c800::/40
 2001:3fc7:e800::/40
 2001:3fc7:f800::/40
 2400:7fc0:2a00::/40
diff --git a/amazon/ipv6_merged.txt b/amazon/ipv6_merged.txt
index 4eed4781..6c6cb808 100644
--- a/amazon/ipv6_merged.txt
+++ b/amazon/ipv6_merged.txt
@@ -352,9 +352,7 @@
 2001:3fc7:9800::/40
 2001:3fc7:a800::/40
 2001:3fc7:b800::/40
-2001:3fc7:c8c0::/46
-2001:3fc7:c840::/46
-2001:3fc7:c880::/46
+2001:3fc7:c800::/40
 2001:3fc7:e800::/40
 2001:3fc7:f800::/40
 2400:7fc0:2a00::/40