diff --git a/all/ipv6.txt b/all/ipv6.txt
index 2e01da67..7d98d530 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -12337,6 +12337,7 @@
 2800:3f0:4000::/36
 2800:3f0::/32
 2803:6080::/29
+2803:6083:179b:400::/54
 2803:6083:1644:400::/54
 2804:800:0:7000::/56
 2804:800:ff00::/48
diff --git a/facebook/ipv6.txt b/facebook/ipv6.txt
index b0f0da9b..9061644a 100644
--- a/facebook/ipv6.txt
+++ b/facebook/ipv6.txt
@@ -541,4 +541,5 @@
 2620:10d:c098::/48
 2620:10d:c099::/48
 2803:6080::/29
+2803:6083:179b:400::/54
 2803:6083:1644:400::/54