diff --git a/all/ipv6.txt b/all/ipv6.txt
index d9911e91..13043536 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -1110,6 +1110,8 @@
 2a05:d07f:e000::/40
 2a0a:a440::/29
 2a10:f781:10:cee0::/64
+2c0f:ef78:0000::/48
+2c0f:ef78:0001::/48
 2c0f:ef78:10::/48
 2c0f:ef78:11::/48
 2c0f:ef78:12::/48
diff --git a/facebook/ipv6.txt b/facebook/ipv6.txt
index 8328e9f7..fc51cc2f 100644
--- a/facebook/ipv6.txt
+++ b/facebook/ipv6.txt
@@ -480,6 +480,8 @@
 2a03:2887:ff60::/48
 2a03:83e0::/32
 2a10:f781:10:cee0::/64
+2c0f:ef78:0000::/48
+2c0f:ef78:0001::/48
 2c0f:ef78:10::/48
 2c0f:ef78:11::/48
 2c0f:ef78:12::/48