diff --git a/data/dns/0l.dn42 b/data/dns/0l.dn42
index 63fd2a6fa..449f92413 100644
--- a/data/dns/0l.dn42
+++ b/data/dns/0l.dn42
@@ -3,6 +3,6 @@ descr:              /dev/nulll dns
 admin-c:            STV0G-DN42
 tech-c:             STV0G-DN42
 mnt-by:             NULLL-MNT
-nserver:            ns1.0l.dn42 172.23.156.1
-nserver:            ns2.0l.dn42 172.23.156.7
+nserver:            ns1.0l.dn42 172.23.156.162
+nserver:            ns1.0l.dn42 fd42:4dd0:ff00:101:5054:ff:fe2d:d2ca
 source:             DN42
diff --git a/data/inetnum/172.22.255.32_27 b/data/inetnum/172.22.255.32_27
deleted file mode 100644
index f391ec0df..000000000
--- a/data/inetnum/172.22.255.32_27
+++ /dev/null
@@ -1,10 +0,0 @@
-inetnum:            172.22.255.32 - 172.22.255.63
-netname:            NET-NULLL-TRANSFER-DN42
-descr:              transfer network for OpenVPN tunnels
-country:            DE
-admin-c:            STV0G-DN42
-tech-c:             STV0G-DN42
-mnt-by:             NULLL-MNT
-status:             ASSIGNED
-cidr:               172.22.255.32/27
-source:             DN42
diff --git a/data/inetnum/172.23.156.0_23 b/data/inetnum/172.23.156.0_23
index 9e167ba68..d6f01235f 100644
--- a/data/inetnum/172.23.156.0_23
+++ b/data/inetnum/172.23.156.0_23
@@ -5,7 +5,7 @@ country:            DE
 admin-c:            STV0G-DN42
 tech-c:             STV0G-DN42
 mnt-by:             NULLL-MNT
-nserver:            ns0.0l.dn42
+nserver:            ns1.0l.dn42
 status:             ALLOCATED
 cidr:               172.23.156.0/23
 source:             DN42
diff --git a/data/inetnum/172.23.156.0_25 b/data/inetnum/172.23.156.0_25
deleted file mode 100644
index 6abbcd64f..000000000
--- a/data/inetnum/172.23.156.0_25
+++ /dev/null
@@ -1,11 +0,0 @@
-inetnum:            172.23.156.0 - 172.23.156.127
-netname:            NET-NULLL-CORE-DN42
-descr:              Core Tinc VPN network
-country:            DE
-admin-c:            STV0G-DN42
-tech-c:             STV0G-DN42
-mnt-by:             NULLL-MNT
-status:             ASSIGNED
-nserver:            ns0.0l.dn42
-cidr:               172.23.156.0/25
-source:             DN42
diff --git a/data/inetnum/172.23.156.128_26 b/data/inetnum/172.23.156.128_26
deleted file mode 100644
index a61a0872c..000000000
--- a/data/inetnum/172.23.156.128_26
+++ /dev/null
@@ -1,11 +0,0 @@
-inetnum:            172.23.156.128 - 172.23.156.191
-netname:            NET-NULLL-OVPN-DN42
-descr:              OpenVPN client ports
-country:            DE
-admin-c:            STV0G-DN42
-tech-c:             STV0G-DN42
-mnt-by:             NULLL-MNT
-status:             ASSIGNED
-nserver:            ns0.0l.dn42
-cidr:               172.23.156.128/26
-source:             DN42
diff --git a/data/inetnum/172.23.157.0_24 b/data/inetnum/172.23.157.0_24
index 47d77d2f5..3dbe928cb 100644
--- a/data/inetnum/172.23.157.0_24
+++ b/data/inetnum/172.23.157.0_24
@@ -6,6 +6,6 @@ admin-c:            STV0G-DN42
 tech-c:             STV0G-DN42
 mnt-by:             NULLL-MNT
 status:             ASSIGNED
-nserver:            ns0.0l.dn42
+nserver:            ns1.0l.dn42
 cidr:               172.23.157.0/24
 source:             DN42