diff --git a/all/ipv6.txt b/all/ipv6.txt
index 8af47e36..08dc1cfc 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -12191,6 +12191,7 @@
 2620:10d:c098::/48
 2620:10d:c099::/48
 2620:10d:c09a::/48
+2620:10d:c09b::/48
 2620:11a:a000::/40
 2620:120:e000::/40
 2620:1ec:12::/47
diff --git a/facebook/ipv6.txt b/facebook/ipv6.txt
index e75715a2..e737cce5 100644
--- a/facebook/ipv6.txt
+++ b/facebook/ipv6.txt
@@ -523,4 +523,5 @@
 2620:10d:c098::/48
 2620:10d:c099::/48
 2620:10d:c09a::/48
+2620:10d:c09b::/48
 2803:6080::/29