diff --git a/data/aut-num/AS4242422025 b/data/aut-num/AS4242422025
new file mode 100644
index 000000000..378518f46
--- /dev/null
+++ b/data/aut-num/AS4242422025
@@ -0,0 +1,7 @@
+aut-num:            AS4242422025
+as-name:            ALTK-AS
+descr:              Alan's experimental network on DN42
+admin-c:            ALTK-DN42
+tech-c:             ALTK-DN42
+mnt-by:             ALTK-MNT
+source:             DN42
diff --git a/data/inet6num/fddf:e9e6:817::_48 b/data/inet6num/fddf:e9e6:817::_48
new file mode 100644
index 000000000..7b6661f2c
--- /dev/null
+++ b/data/inet6num/fddf:e9e6:817::_48
@@ -0,0 +1,10 @@
+inet6num:           fddf:e9e6:0817:0000:0000:0000:0000:0000 - fddf:e9e6:0817:ffff:ffff:ffff:ffff:ffff
+cidr:               fddf:e9e6:817::/48
+netname:            ALTK-NETWORK
+descr:              Alan's IPv6 network on DN42
+country:            CN
+admin-c:            ALTK-DN42
+tech-c:             ALTK-DN42
+mnt-by:             ALTK-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/mntner/ALTK-MNT b/data/mntner/ALTK-MNT
new file mode 100644
index 000000000..1e47a2881
--- /dev/null
+++ b/data/mntner/ALTK-MNT
@@ -0,0 +1,6 @@
+mntner:             ALTK-MNT
+admin-c:            ALTK-DN42
+tech-c:             ALTK-DN42
+mnt-by:             ALTK-MNT
+auth:               pgp-fingerprint D80E1B95F4D72DC8D8D5ED13ADDA8090B1171126
+source:             DN42
diff --git a/data/person/ALTK-DN42 b/data/person/ALTK-DN42
new file mode 100644
index 000000000..3deeacc66
--- /dev/null
+++ b/data/person/ALTK-DN42
@@ -0,0 +1,5 @@
+person:             Alan Liang
+e-mail:             alan-liang+dn42@keeer.net
+nic-hdl:            ALTK-DN42
+mnt-by:             ALTK-MNT
+source:             DN42
diff --git a/data/route6/fddf:e9e6:817::_48 b/data/route6/fddf:e9e6:817::_48
new file mode 100644
index 000000000..d00ce6e08
--- /dev/null
+++ b/data/route6/fddf:e9e6:817::_48
@@ -0,0 +1,4 @@
+route6:             fddf:e9e6:817::/48
+origin:             AS4242422025
+mnt-by:             ALTK-MNT
+source:             DN42