diff --git a/bk/prefix/as23764.txt b/bk/prefix/as23764.txt
index d1f301c..7ac929a 100644
--- a/bk/prefix/as23764.txt
+++ b/bk/prefix/as23764.txt
@@ -14,7 +14,6 @@
 2804:1e48:9003
 2a04:f580:9001
 2a04:f580:9090
-2a04:f581:110a
 2a04:f581:110b
 2a04:f581:a123
 2a04:f581:a125
diff --git a/bk/prefix/as4809.txt b/bk/prefix/as4809.txt
index d2f75a4..163de4d 100644
--- a/bk/prefix/as4809.txt
+++ b/bk/prefix/as4809.txt
@@ -1,8 +1,6 @@
 2400:9380:9001
 2400:9380:9002
-2400:9380:9005
 2400:9380:9009
-2400:9380:900a
 2400:9380:9020
 2400:9380:9021
 2400:9380:9040
@@ -19,11 +17,7 @@
 2400:9380:90b5
 2400:9380:90b6
 2400:9380:90b7
-2400:9380:9100
-2400:9380:9101
 2400:9380:9121
-2400:9380:9201
-2400:9380:9202
 2400:9380:9220
 2400:9380:9221
 2400:9380:9240
diff --git a/bk/prefix/as9808.txt b/bk/prefix/as9808.txt
index 7184baa..669116a 100644
--- a/bk/prefix/as9808.txt
+++ b/bk/prefix/as9808.txt
@@ -493,7 +493,6 @@
 2409:805c:3030
 2409:805c:3060
 2409:805c:3070
-2409:805c:30a0
 2409:805c:30c0
 2409:805c:30f0
 2409:805c:4
@@ -827,7 +826,6 @@
 2409:8730:9018
 2409:8730:a138
 2409:8730:b0f8
-2409:8730:c1b8
 2409:8730:d118
 2409:8730:e0d8
 2409:8730:f038
@@ -1618,7 +1616,6 @@
 2409:8c14
 2409:8c15
 2409:8c1e
-2409:8c1e:3410
 2409:8c1e:68f0
 2409:8c1e:8f60
 2409:8c1f