diff --git a/bk/prefix/as4837.txt b/bk/prefix/as4837.txt
index 828fb68..68135f6 100644
--- a/bk/prefix/as4837.txt
+++ b/bk/prefix/as4837.txt
@@ -129,8 +129,11 @@
 2408:8001:b013::/48
 2408:8001:b033::/48
 2408:8001:b043::/48
+2408:8001:b053::/48
 2408:8001:b063::/48
+2408:8001:b073::/48
 2408:8001:b083::/48
+2408:8001:b0a3::/48
 2408:8001:c000::/36
 2408:8001:c000::/48
 2408:8001:c001::/48
diff --git a/bk/prefix/as4837.txt.manifest.json b/bk/prefix/as4837.txt.manifest.json
index c328495..19df1df 100644
--- a/bk/prefix/as4837.txt.manifest.json
+++ b/bk/prefix/as4837.txt.manifest.json
@@ -1,7 +1,7 @@
 {
   "schema": "backtrace.asn-prefixes/v1",
   "file": "as4837.txt",
-  "count": 596,
-  "sha256": "903d9b20db80f5696a3c124cda2c73072cd5d8acb992d9b55f369d8b435a65d0",
-  "generated_at": "2026-08-13T02:09:16Z"
+  "count": 599,
+  "sha256": "5035e2191d3f10c32a905410c0149bbef3acc824a05d6c8080a75e864e86f548",
+  "generated_at": "2026-08-14T02:06:55Z"
 }