diff --git a/data/dns/ixnet.dn42 b/data/dns/ixnet.dn42
index de0e75b6d..6b7703a1b 100644
--- a/data/dns/ixnet.dn42
+++ b/data/dns/ixnet.dn42
@@ -3,6 +3,6 @@ descr:              IX Network Main Domain
 admin-c:            HOWARD-DN42
 tech-c:             HOWARD-DN42
 mnt-by:             IXNET-MNT
-nserver:            ns1.ixnet.dn42 172.21.88.129
+nserver:            ns1.ixnet.dn42 172.23.8.161
 nserver:            ns1.ixnet.dn42 fdc9:9999:9999:9900::1
 source:             DN42
diff --git a/data/inet6num/fdc9:9999:9999:9900::_64 b/data/inet6num/fdc9:9999:9999:9900::_64
deleted file mode 100644
index a0f472ee5..000000000
--- a/data/inet6num/fdc9:9999:9999:9900::_64
+++ /dev/null
@@ -1,12 +0,0 @@
-inet6num:           fdc9:9999:9999:9900:0000:0000:0000:0000 - fdc9:9999:9999:9900:ffff:ffff:ffff:ffff
-netname:            IXNET-BACKBONE-V6
-country:            SG
-org:                ORG-IXNET
-admin-c:            HOWARD-DN42
-tech-c:             HOWARD-DN42
-mnt-by:             IXNET-MNT
-nserver:            ns1.ixnet.dn42
-nserver:            ns2.ixnet.dn42
-status:             ASSIGNED
-cidr:               fdc9:9999:9999:9900::/64
-source:             DN42
diff --git a/data/inet6num/fdc9:9999:9999::_48 b/data/inet6num/fdc9:9999:9999::_48
index 1001d5832..7fa65d8f8 100644
--- a/data/inet6num/fdc9:9999:9999::_48
+++ b/data/inet6num/fdc9:9999:9999::_48
@@ -8,6 +8,6 @@ tech-c:             HOWARD-DN42
 mnt-by:             IXNET-MNT
 nserver:            ns1.ixnet.dn42
 nserver:            ns1.ixnet.dn42
-status:             ALLOCATED
+status:             ASSIGNED
 cidr:               fdc9:9999:9999::/48
 source:             DN42
diff --git a/data/inetnum/172.20.165.0_29 b/data/inetnum/172.20.165.0_29
deleted file mode 100644
index 1e71f72b1..000000000
--- a/data/inetnum/172.20.165.0_29
+++ /dev/null
@@ -1,10 +0,0 @@
-inetnum:            172.20.165.0 - 172.20.165.7
-netname:            IXNET-INTERNAL
-descr:              Reserved for internal use
-country:            SG
-admin-c:            HOWARD-DN42
-tech-c:             HOWARD-DN42
-mnt-by:             IXNET-MNT
-status:             ALLOCATED
-cidr:               172.20.165.0/29
-source:             DN42
diff --git a/data/inetnum/172.21.88.128_28 b/data/inetnum/172.21.88.128_28
deleted file mode 100644
index 2a69c30b0..000000000
--- a/data/inetnum/172.21.88.128_28
+++ /dev/null
@@ -1,10 +0,0 @@
-inetnum:            172.21.88.128 - 172.21.88.143
-netname:            IXNET-BACKBONE
-descr:              Backbone Routers of IX Network
-country:            SG
-admin-c:            HOWARD-DN42
-tech-c:             HOWARD-DN42
-mnt-by:             IXNET-MNT
-status:             ASSIGNED
-cidr:               172.21.88.128/28
-source:             DN42
diff --git a/data/inetnum/172.21.88.144_28 b/data/inetnum/172.21.88.144_28
deleted file mode 100644
index fe6fdee5e..000000000
--- a/data/inetnum/172.21.88.144_28
+++ /dev/null
@@ -1,10 +0,0 @@
-inetnum:            172.21.88.144 - 172.21.88.159
-netname:            IXNET-CN
-descr:              Network for Machines in Mainland China
-country:            CN
-admin-c:            HOWARD-DN42
-tech-c:             HOWARD-DN42
-mnt-by:             IXNET-MNT
-status:             ASSIGNED
-cidr:               172.21.88.144/28
-source:             DN42
diff --git a/data/inetnum/172.21.88.128_25 b/data/inetnum/172.23.8.160_27
similarity index 67%
rename from data/inetnum/172.21.88.128_25
rename to data/inetnum/172.23.8.160_27
index c86515e45..29b5a1854 100644
--- a/data/inetnum/172.21.88.128_25
+++ b/data/inetnum/172.23.8.160_27
@@ -1,12 +1,13 @@
-inetnum:            172.21.88.128 - 172.21.88.255
+inetnum:            172.23.8.160 - 172.23.8.191
 netname:            IXNET-MAIN
 descr:              IX Network Studio Main Network
 country:            SG
+org:                ORG-IXNET
 admin-c:            HOWARD-DN42
 tech-c:             HOWARD-DN42
 mnt-by:             IXNET-MNT
 nserver:            ns1.ixnet.dn42
 nserver:            ns2.ixnet.dn42
-status:             ALLOCATED
-cidr:               172.21.88.128/25
+status:             ASSIGNED
+cidr:               172.23.8.160/27
 source:             DN42
diff --git a/data/route/172.21.88.128_28 b/data/route/172.23.8.160_27
similarity index 59%
rename from data/route/172.21.88.128_28
rename to data/route/172.23.8.160_27
index fb99570d9..19ae86cc4 100644
--- a/data/route/172.21.88.128_28
+++ b/data/route/172.23.8.160_27
@@ -1,4 +1,5 @@
-route:              172.21.88.128/28
+route:              172.23.8.160/27
 origin:             AS4242420199
+max-length:         27
 mnt-by:             IXNET-MNT
 source:             DN42
diff --git a/data/route6/fdc9:9999:9999:9900::_64 b/data/route6/fdc9:9999:9999:9900::_64
deleted file mode 100644
index 4ed3812dc..000000000
--- a/data/route6/fdc9:9999:9999:9900::_64
+++ /dev/null
@@ -1,4 +0,0 @@
-route6:             fdc9:9999:9999:9900::/64
-origin:             AS4242420199
-mnt-by:             IXNET-MNT
-source:             DN42
diff --git a/data/route/172.21.88.144_28 b/data/route6/fdc9:9999:9999::_48
similarity index 58%
rename from data/route/172.21.88.144_28
rename to data/route6/fdc9:9999:9999::_48
index 217b8a9f5..dff1a9a2a 100644
--- a/data/route/172.21.88.144_28
+++ b/data/route6/fdc9:9999:9999::_48
@@ -1,4 +1,5 @@
-route:              172.21.88.144/28
+route6:             fdc9:9999:9999::/48
 origin:             AS4242420199
+max-length:         48
 mnt-by:             IXNET-MNT
 source:             DN42