diff --git a/bk/prefix/as4809.txt b/bk/prefix/as4809.txt
index 4a61b8f..4aa7635 100644
--- a/bk/prefix/as4809.txt
+++ b/bk/prefix/as4809.txt
@@ -104,6 +104,7 @@
 240e:649:dc0f::/48
 240e:64e:d00::/44
 240e:64e:de0::/48
+240e:64e:de4::/48
 240e:64e:dec::/48
 240e:64e:ded::/48
 240e:650:8000::/38
diff --git a/bk/prefix/as4809.txt.manifest.json b/bk/prefix/as4809.txt.manifest.json
index aa21845..454e4cf 100644
--- a/bk/prefix/as4809.txt.manifest.json
+++ b/bk/prefix/as4809.txt.manifest.json
@@ -1,7 +1,7 @@
 {
   "schema": "backtrace.asn-prefixes/v1",
   "file": "as4809.txt",
-  "count": 195,
-  "sha256": "e8438d394e3c24cabb1aac07336054b904bb5729b36a40e243bb7173b99cc7d7",
-  "generated_at": "2026-09-11T03:39:20Z"
+  "count": 196,
+  "sha256": "7ee4bcfb51f71177a91e051a030e46e1a68465fcef3525a347a25cb29d87f9b4",
+  "generated_at": "2026-09-19T03:44:29Z"
 }