diff --git a/data/inetnum/172.31.23.0_27 b/data/inetnum/172.31.23.0_27
deleted file mode 100644
index f031f75be..000000000
--- a/data/inetnum/172.31.23.0_27
+++ /dev/null
@@ -1,12 +0,0 @@
-inetnum:            172.31.23.0 - 172.31.23.31
-cidr:               172.31.23.0/27
-remarks:            Peer with at frogjiangyy@gmail.com
-netname:            FROGJIANG-DN42
-descr:              Peer with me at frogjiangyy@gmail.com
-country:            CN
-nserver:            ns1.FROGJIANG.dn42
-admin-c:            FROGJIANG-DN42
-tech-c:             FROGJIANG-DN42
-mnt-by:             FROGJIANG-MNT
-status:             ASSIGNED
-source:             DN42
diff --git a/data/route/172.31.23.0_27 b/data/route/172.31.23.0_27
deleted file mode 100644
index 7f2199756..000000000
--- a/data/route/172.31.23.0_27
+++ /dev/null
@@ -1,6 +0,0 @@
-route:              172.31.23.0/27
-descr:              FROGJIANG
-remarks:            Tokyo'cold
-origin:             AS4242421180
-mnt-by:             FROGJIANG-MNT
-source:             DN42