diff --git a/data/inetnum/172.21.64.64_27 b/data/inetnum/172.21.64.64_27
deleted file mode 100644
index 2c2ceb6e3..000000000
--- a/data/inetnum/172.21.64.64_27
+++ /dev/null
@@ -1,10 +0,0 @@
-inetnum:            172.21.64.64 - 172.21.64.95
-netname:            OS23-VPN
-descr:              VPN1
-country:            DE
-admin-c:            OS23-DN42
-tech-c:             OS23-DN42
-mnt-by:             XTN1-MNT
-status:             ASSIGNED
-cidr:               172.21.64.64/27
-source:             DN42
diff --git a/data/mntner/OS23-MNT b/data/mntner/OS23-MNT
deleted file mode 100644
index d79352350..000000000
--- a/data/mntner/OS23-MNT
+++ /dev/null
@@ -1,7 +0,0 @@
-mntner:             OS23-MNT
-descr:              OS23 maintains
-admin-c:            OS23-DN42
-tech-c:             OS23-DN42
-mnt-by:             OS23-MNT
-source:             DN42
-auth:               pgp-fingerprint 92FCB28252DE74695B2209FE67684421D735D99D
diff --git a/data/mntner/XTN1-MNT b/data/mntner/XTN1-MNT
index 6a846ac3e..81cdb1cc0 100644
--- a/data/mntner/XTN1-MNT
+++ b/data/mntner/XTN1-MNT
@@ -5,3 +5,4 @@ admin-c:            OS23-DN42
 tech-c:             OS23-DN42
 mnt-by:             XTN1-MNT
 source:             DN42
+auth:               pgp-fingerprint F80B8ACC1C741BBE35ED9D354BA94A851F223240  
diff --git a/data/route/172.20.164.0_26 b/data/route/172.20.164.0_26
index d6c94907b..36277efb9 100644
--- a/data/route/172.20.164.0_26
+++ b/data/route/172.20.164.0_26
@@ -1,4 +1,4 @@
 route:              172.20.164.0/26
 origin:             AS4242423023
-mnt-by:             OS23-MNT
+mnt-by:             XTN1-MNT
 source:             DN42