diff --git a/bk/prefix/as4837.txt b/bk/prefix/as4837.txt
index 3dbc164..828fb68 100644
--- a/bk/prefix/as4837.txt
+++ b/bk/prefix/as4837.txt
@@ -66,6 +66,7 @@
 2408:8000:8010::/47
 2408:8000:8010::/48
 2408:8000:8040::/48
+2408:8000:8090::/48
 2408:8000:80c0::/48
 2408:8000::/48
 2408:8000:a000::/36
@@ -73,6 +74,9 @@
 2408:8000:a00d::/48
 2408:8000:b000::/36
 2408:8000:c000::/36
+2408:8000:c038::/48
+2408:8000:c03b::/48
+2408:8000:c03c::/48
 2408:8000:d000::/36
 2408:8000:d101::/48
 2408:8000:d201::/48
@@ -109,7 +113,11 @@
 2408:8001:3142::/48
 2408:8001:3152::/48
 2408:8001:4000::/36
+2408:8001:4000::/48
+2408:8001:4010::/48
+2408:8001:4020::/48
 2408:8001:5000::/36
+2408:8001:5000::/48
 2408:8001:6000::/36
 2408:8001:7000::/36
 2408:8001:7030::/48
@@ -118,12 +126,19 @@
 2408:8001::/36
 2408:8001:a000::/36
 2408:8001:b000::/36
+2408:8001:b013::/48
+2408:8001:b033::/48
+2408:8001:b043::/48
 2408:8001:b063::/48
+2408:8001:b083::/48
 2408:8001:c000::/36
 2408:8001:c000::/48
+2408:8001:c001::/48
 2408:8001:d000::/36
 2408:8001:d000::/48
 2408:8001:e000::/36
+2408:8001:e001::/48
+2408:8001:e003::/48
 2408:8001:f000::/36
 2408:8026:480::/48
 2408:802a:8000::/33
diff --git a/bk/prefix/as4837.txt.manifest.json b/bk/prefix/as4837.txt.manifest.json
index 901ab45..c328495 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": 581,
-  "sha256": "9c96a1e32cff6a8ede0fbfb9913547fc398194103409cce366386ad75e61ad57",
-  "generated_at": "2026-08-12T02:06:59Z"
+  "count": 596,
+  "sha256": "903d9b20db80f5696a3c124cda2c73072cd5d8acb992d9b55f369d8b435a65d0",
+  "generated_at": "2026-08-13T02:09:16Z"
 }